{"id":5942,"date":"2026-02-28T16:25:51","date_gmt":"2026-02-28T16:25:51","guid":{"rendered":"https:\/\/hazarnotes.com\/?p=5942"},"modified":"2026-02-28T16:25:51","modified_gmt":"2026-02-28T16:25:51","slug":"kose-dekhi-1-2-class-7-math-solution-wbbse","status":"publish","type":"post","link":"https:\/\/hazarnotes.com\/mystaging01\/kose-dekhi-1-2-class-7-math-solution-wbbse\/","title":{"rendered":"\u0995\u09b7\u09c7 \u09a6\u09c7\u0996\u09bf 1.2 \u09b8\u09aa\u09cd\u09a4\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf \u0997\u09a3\u09bf\u09a4\u09aa\u09cd\u09b0\u09ad\u09be \u09b8\u09ae\u09be\u09a7\u09be\u09a8 | Kose Dekhi 1.2 Class 7 Math Solution wbbse"},"content":{"rendered":"<h3 style=\"text-align: center;\"><span style=\"color: #ff0000;\">\u0995\u09b7\u09c7 \u09a6\u09c7\u0996\u09bf\u2014 1.2<\/span><\/h3>\n<p><strong>1. (i) 2 \u099f\u09be\u0995\u09be\u09b0 `12\\frac1{2}`% \u0995\u09a4 \u09aa\u09df\u09b8\u09be \u09a6\u09c7\u0996\u09bf\u0964<\/strong><\/p>\n<p><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong> 2 \u099f\u09be\u0995\u09be = 200 \u09aa\u09df\u09b8\u09be<\/p>\n<p>2 \u099f\u09be\u0995\u09be\u09b0 `12\\frac1{2}`%<\/p>\n<p>= 200 \u09aa\u09df\u09b8\u09be\u09b0 `12\\frac1{2}`%<\/p>\n<p>= 200 \u00d7 `frac(25){2}`%<\/p>\n<p>= 200 \u00d7 `frac(25){2}` \u00d7 `frac(1){100}`<\/p>\n<p>= 25<\/p>\n<p>\u2234 2 \u099f\u09be\u0995\u09be\u09b0 `12\\frac1{2}`% = 25 \u09aa\u09af\u09bc\u09b8\u09be\u0964<\/p>\n<p><strong>(ii) 840 \u0997\u09cd\u09b0\u09be\u09ae\u09c7\u09b0 30% \u0995\u09a4 \u0997\u09cd\u09b0\u09be\u09ae \u09a6\u09c7\u0996\u09bf\u0964<\/strong><\/p>\n<p><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong><\/p>\n<p>840 \u0997\u09cd\u09b0\u09be\u09ae\u09c7\u09b0 30% = `(840 \u00d7 frac(30){100})` \u0997\u09cd\u09b0\u09be\u09ae = 252 \u0997\u09cd\u09b0\u09be\u09ae<\/p>\n<p><strong>(iii) 25 \u099f\u09be\u0995\u09be\u09b0 8% \u0995\u09a4 \u099f\u09be\u0995\u09be \u09a6\u09c7\u0996\u09bf\u0964<\/strong><\/p>\n<p><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong><\/p>\n<p>25 \u099f\u09be\u0995\u09be\u09b0 8% = `(25 \u00d7frac(8){100})` \u099f\u09be\u0995\u09be = 2 \u099f\u09be\u0995\u09be<\/p>\n<p>\u2234 25 \u099f\u09be\u0995\u09be\u09b0 8% = 2 \u099f\u09be\u0995\u09be<\/p>\n<p><strong>(iv) 55 \u0997\u09cd\u09b0\u09be\u09ae, 5 \u0995\u09bf\u09b2\u09cb\u0997\u09cd\u09b0\u09be\u09ae\u09c7\u09b0 \u09b6\u09a4\u0995\u09b0\u09be \u0995\u09a4 \u09a6\u09c7\u0996\u09bf\u0964<\/strong><\/p>\n<p><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong><\/p>\n<p>5 \u0995\u09bf\u09b2\u09cb\u0997\u09cd\u09b0\u09be\u09ae = 5000 \u0997\u09cd\u09b0\u09be\u09ae<\/p>\n<p>\u2234 55 \u0997\u09cd\u09b0\u09be\u09ae, 5 \u0995\u09bf\u09b2\u09cb\u0997\u09cd\u09b0\u09be\u09ae\u09c7\u09b0 \u09b6\u09a4\u0995\u09b0\u09be<\/p>\n<p>`(frac(55){100} \u00d7 100)`% = `frac(11){10}`% = `1\\frac(1){10}`%<\/p>\n<p><strong>(v) 1.25 \u099f\u09be\u0995\u09be, 5 \u099f\u09be\u0995\u09be\u09b0 \u09b6\u09a4\u0995\u09b0\u09be \u0995\u09a4 \u09a6\u09c7\u0996\u09bf\u0964<\/strong><\/p>\n<p><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong><\/p>\n<p>1.25 \u099f\u09be\u0995\u09be, 5 \u099f\u09be\u0995\u09be\u09b0 \u09b6\u09a4\u0995\u09b0\u09be<\/p>\n<p>`(frac(1.25){5} \u00d7 100)`% = (1.25 x 20) % = 25%<\/p>\n<p>(vi) 16 \u09b2\u09bf\u099f\u09be\u09b0 1000 \u09b2\u09bf\u099f\u09be\u09b0\u09c7\u09b0 \u09b6\u09a4\u0995\u09b0\u09be \u0995\u09a4 \u09a6\u09c7\u0996\u09bf\u0964<\/p>\n<p>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983 16 \u09b2\u09bf\u099f\u09be\u09b0, 1000 \u09b2\u09bf\u099f\u09be\u09b0\u09c7\u09b0 \u09b6\u09a4\u0995\u09b0\u09be<\/p>\n<p>`(frac(16){1000} \u00d7 100)`% = 1.6%<\/p>\n<p>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 16 \u09b2\u09bf\u099f\u09be\u09b0 1000 \u09b2\u09bf\u099f\u09be\u09b0\u09c7\u09b0 \u09b6\u09a4\u0995\u09b0\u09be 1.6%\u0964<\/p>\n<p><strong>2. \u098f\u0995\u099f\u09bf \u09ac\u09be\u09dc\u09bf\u09b0 `frac1{5}` \u0985\u0982\u09b6 \u09b0\u0982 \u0995\u09b0\u09be \u09b9\u09df\u09c7\u099b\u09c7\u0964 \u09ac\u09be\u09dc\u09bf\u099f\u09bf\u09b0 \u09b6\u09a4\u0995\u09b0\u09be \u0995\u09a4 \u09b0\u0982 \u0995\u09b0\u09be \u09ac\u09be\u0995\u09bf \u0986\u099b\u09c7 \u09b9\u09bf\u09b8\u09be\u09ac \u0995\u09b0\u09bf\u0964<\/strong><\/p>\n<p><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong> \u09a7\u09b0\u09bf, \u09b8\u09ae\u0997\u09cd\u09b0 \u09ac\u09be\u09dc\u09bf = 1 \u0985\u0982\u09b6<\/p>\n<p>\u09ac\u09be\u09dc\u09bf\u099f\u09bf\u09b0 `frac1{5}` \u0985\u0982\u09b6 \u09b0\u0999 \u0995\u09b0\u09be \u09b9\u09df\u09c7\u099b\u09c7\u0964<\/p>\n<p>\u2234 \u09b0\u0999 \u0995\u09b0\u09be \u09ac\u09be\u0995\u09bf \u0986\u099b\u09c7 = `(1 \u2013 frac1{5})` \u0985\u0982\u09b6<\/p>\n<p>`frac(5 \u2013 1){5}` \u0985\u0982\u09b6 = `frac4{5}`<\/p>\n<p>\u2234 \u09ac\u09be\u09dc\u09bf\u099f\u09bf\u09b0 \u09b0\u0999 \u0995\u09b0\u09be \u09ac\u09be\u0995\u09bf \u0986\u099b\u09c7 \u09b6\u09a4\u0995\u09b0\u09be<\/p>\n<p>`(frac4{5} \u00d7 100)`% = (4\u00d720)% = 80%<\/p>\n<p>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u09ac\u09be\u09dc\u09bf\u099f\u09bf\u09b0 \u09b6\u09a4\u0995\u09b0\u09be 80% \u09b0\u0999 \u0995\u09b0\u09be \u09ac\u09be\u0995\u09bf \u0986\u099b\u09c7\u0964<\/p>\n<p><strong>3. \u09a8\u09c2\u09b0\u099c\u09be\u09b9\u09be\u09a8\u09c7\u09b0 \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf\u09a4\u09c7 30% \u099b\u09be\u09a4\u09cd\u09b0\u09c0 \u0986\u099b\u09c7\u0964 \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf\u09b0 \u09ae\u09cb\u099f \u099b\u09be\u09a4\u09cd\u09b0\u099b\u09be\u09a4\u09cd\u09b0\u09c0\u09b0 \u09b8\u0982\u0996\u09cd\u09af\u09be 60 \u099c\u09a8\u0964 \u09b9\u09bf\u09b8\u09be\u09ac \u0995\u09b0\u09c7 \u09a6\u09c7\u0996\u09bf \u09a8\u09c2\u09b0\u099c\u09be\u09b9\u09be\u09a8\u09c7\u09b0 \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf\u09a4\u09c7 \u09ae\u09cb\u099f \u0995\u09a4\u099c\u09a8 \u099b\u09be\u09a4\u09cd\u09b0 \u0986\u099b\u09c7\u0964<\/strong><\/p>\n<p><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong><\/p>\n<p>\u09a8\u09c2\u09b0\u099c\u09be\u09b9\u09be\u09a8\u09c7\u09b0 \u09b6\u09cd\u09b0\u09c7\u09a3\u09c0\u09a4\u09c7 30% \u099b\u09be\u09a4\u09cd\u09b0\u09c0 \u0986\u099b\u09c7\u0964<\/p>\n<p>\u0985\u09b0\u09cd\u09a5\u09be\u09ce,<br \/>\n100 \u099b\u09be\u09a4\u09cd\u09b0\u099b\u09be\u09a4\u09cd\u09b0\u09c0\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u099b\u09be\u09a4\u09cd\u09b0\u09c0 \u09b8\u0982\u0996\u09cd\u09af\u09be 30 \u099c\u09a8<\/p>\n<p>1 \u099b\u09be\u09a4\u09cd\u09b0\u099b\u09be\u09a4\u09cd\u09b0\u09c0\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u099b\u09be\u09a4\u09cd\u09b0\u09c0 \u09b8\u0982\u0996\u09cd\u09af\u09be `frac(30){100}` \u099c\u09a8<\/p>\n<p>60 \u099c\u09a8 \u099b\u09be\u09a4\u09cd\u09b0\u099b\u09be\u09a4\u09cd\u09b0\u09c0\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u099b\u09be\u09a4\u09cd\u09b0\u09c0 \u09b8\u0982\u0996\u09cd\u09af\u09be `(frac(30){100} \u00d7 60)`\u099c\u09a8<\/p>\n<p>10 = 18 \u099c\u09a8<\/p>\n<p>\u2234 60 \u099c\u09a8 \u099b\u09be\u09a4\u09cd\u09b0\u099b\u09be\u09a4\u09cd\u09b0\u09c0\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u099b\u09be\u09a4\u09cd\u09b0\u09c0 \u09b8\u0982\u0996\u09cd\u09af\u09be 18 \u099c\u09a8\u0964<\/p>\n<p>\u0985\u09a4\u09bf\u098f\u09ac, \u099b\u09be\u09a4\u09cd\u09b0 \u09b8\u0982\u0996\u09cd\u09af\u09be (60 \u2013 18) \u099c\u09a8 = 42 \u099c\u09a8\u0964<\/p>\n<p><strong>4. 120 \u0995\u09bf\u0997\u09cd\u09b0\u09be. \u09ae\u09bf\u09b6\u09cd\u09b0 \u09b8\u09be\u09b0\u09c7 \u0987\u0989\u09b0\u09bf\u09df\u09be \u0993 \u09aa\u099f\u09be\u09b6\u09c7\u09b0 \u09aa\u09b0\u09bf\u09ae\u09be\u09a3 \u09af\u09a5\u09be\u0995\u09cd\u09b0\u09ae\u09c7 60% \u0993 40%; \u0993\u0987 \u09ae\u09bf\u09b6\u09cd\u09b0 \u09b8\u09be\u09b0\u09c7 \u0995\u09cb\u09a8 \u09b8\u09be\u09b0 \u0995\u09a4 \u0995\u09bf\u0997\u09cd\u09b0\u09be., \u0986\u099b\u09c7 \u09b9\u09bf\u09b8\u09be\u09ac \u0995\u09b0\u09c7 \u09b2\u09bf\u0996\u09bf\u0964<\/strong><\/p>\n<p><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong> 120 \u0995\u09bf\u0997\u09cd\u09b0\u09be. \u09ae\u09bf\u09b6\u09cd\u09b0 \u09b8\u09be\u09b0\u09c7 \u0987\u0989\u09b0\u09bf\u09df\u09be \u0993 \u09aa\u099f\u09be\u09b6\u09c7\u09b0 \u09aa\u09b0\u09bf\u09ae\u09be\u09a3 \u09af\u09a5\u09be\u0995\u09cd\u09b0\u09ae\u09c7 60% \u0993 40%<\/p>\n<p>\u2234 120 \u0995\u09bf\u0997\u09cd\u09b0\u09be. \u09ae\u09bf\u09b6\u09cd\u09b0 \u09b8\u09be\u09b0\u09c7 \u0987\u0989\u09b0\u09bf\u09df\u09be\u09b0 \u09aa\u09b0\u09bf\u09ae\u09be\u09a3<\/p>\n<p>= 120 x `frac(60){100}` \u0995\u09bf\u0997\u09cd\u09b0\u09be<\/p>\n<p>= 72 \u0995\u09bf\u0997\u09cd\u09b0\u09be. \u098f\u09ac\u0982 120 \u0995\u09bf\u0997\u09cd\u09b0\u09be. \u09ae\u09bf\u09b6\u09cd\u09b0 \u09b8\u09be\u09b0\u09c7 \u09aa\u099f\u09be\u09b6\u09c7\u09b0 \u09aa\u09b0\u09bf\u09ae\u09be\u09a3<\/p>\n<p>= 120 \u00d7 `frac(40){100}` \u0995\u09bf\u0997\u09cd\u09b0\u09be.<\/p>\n<p>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u0993\u0987 \u09ae\u09bf\u09b6\u09cd\u09b0 \u09b8\u09be\u09b0\u09c7 \u0987\u0989\u09b0\u09bf\u09df\u09be\u09b0 \u09aa\u09b0\u09bf\u09ae\u09be\u09a3 72 \u0995\u09bf\u0997\u09cd\u09b0\u09be. \u098f\u0982 \u09aa\u099f\u09be\u09b6\u09c7\u09b0 \u09aa\u09b0\u09bf\u09ae\u09be\u09a3 48 \u0995\u09bf\u0997\u09cd\u09b0\u09be.\u0964<\/p>\n<p><strong>5. \u0986\u09ae\u09be\u09b0 \u09b8\u09cd\u0995\u09c1\u09b2\u09c7\u09b0 \u0996\u09be\u09a4\u09be\u09b0 \u09a6\u09be\u09ae \u099b\u09bf\u09b2 10 \u099f\u09be\u0995\u09be\u0964 \u098f\u0996\u09a8 \u09b8\u09c7\u0987 \u0996\u09be\u09a4\u09be \u0986\u09ae\u09bf 12 \u099f\u09be\u0995\u09be\u09df \u0995\u09bf\u09a8\u09bf\u0964 \u09b9\u09bf\u09b8\u09be\u09ac \u0995\u09b0\u09c7 \u09a6\u09c7\u0996\u09bf \u0996\u09be\u09a4\u09be\u09b0 \u09a6\u09be\u09ae \u09b6\u09a4\u0995\u09b0\u09be \u0995\u09a4 \u09ac\u09c7\u09dc\u09c7\u099b\u09c7\u0964<\/strong><\/p>\n<p><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong> \u09b8\u09cd\u0995\u09c1\u09b2\u09c7\u09b0 \u0996\u09be\u09a4\u09be\u09b0 \u09a6\u09be\u09ae \u099b\u09bf\u09b2 10 \u099f\u09be\u0995\u09be<\/p>\n<p>\u098f\u0996\u09a8 \u09b8\u09c7\u0987 \u0996\u09be\u09a4\u09be\u09b0 \u09a6\u09be\u09ae 12 \u099f\u09be\u0995\u09be\u0964<\/p>\n<p>\u2234 \u0996\u09be\u09a4\u09be\u09b0 \u09a6\u09be\u09ae \u09ac\u09c7\u09dc\u09c7\u099b\u09c7 = (12-10) \u099f\u09be\u0995\u09be = 2 \u099f\u09be\u0995\u09be<\/p>\n<p>\u2234 \u0996\u09be\u09a4\u09be\u09b0 \u09a6\u09be\u09ae \u09ac\u09c7\u09dc\u09c7\u099b\u09c7<\/p>\n<p>= `(frac(2){10} \u00d7 100)`%<\/p>\n<p>= 20%<\/p>\n<p>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u0996\u09be\u09a4\u09be\u09b0 \u09a6\u09be\u09ae \u09ac\u09c7\u09dc\u09c7\u099b\u09c7 \u09b6\u09a4\u0995\u09b0\u09be 20 \u099f\u09be\u0995\u09be\u0964<\/p>\n<p><strong>6. \u09b8\u09c1\u09ae\u09bf\u09a4\u09cd\u09b0\u09be\u09b0 \u09ac\u09be\u09dc\u09bf \u09a5\u09c7\u0995\u09c7 \u09b8\u09cd\u0995\u09c1\u09b2\u09c7 \u09af\u09c7\u09a4\u09c7 4 \u099f\u09be\u0995\u09be \u09ac\u09be\u09b8\u09ad\u09be\u09dc\u09be \u09b2\u09be\u0997\u09a4\u0964 \u098f\u0996\u09a8 \u09a4\u09be\u0995\u09c7 \u0993\u0987 \u09a6\u09c2\u09b0\u09a4\u09cd\u09ac \u09af\u09c7\u09a4\u09c7 6 \u099f\u09be\u0995\u09be \u09ac\u09be\u09b8\u09ad\u09be\u09dc\u09be \u09a6\u09bf\u09a4\u09c7 \u09b9\u09df\u0964 \u09ac\u09be\u09b8\u09ad\u09be\u09dc\u09be \u09b6\u09a4\u0995\u09b0\u09be \u0995\u09a4 \u09ac\u09c7\u09dc\u09c7\u099b\u09c7 \u09b9\u09bf\u09b8\u09be\u09ac \u0995\u09b0\u09bf\u0964<\/strong><\/p>\n<p><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong> \u09b8\u09c1\u09ae\u09bf\u09a4\u09cd\u09b0\u09be\u09b0 \u09ac\u09be\u09dc\u09bf \u09a5\u09c7\u0995\u09c7 \u09b8\u09cd\u0995\u09c1\u09b2\u09c7 \u09af\u09c7\u09a4\u09c7 4 \u099f\u09be\u0995\u09be \u09ac\u09be\u09b8 \u09ad\u09be\u09dc\u09be \u09b2\u09be\u0997\u09a4\u0964 \u098f\u0996\u09a8 \u09a4\u09be\u0995\u09c7 \u0993\u0987 \u09a6\u09c2\u09b0\u09a4\u09cd\u09ac \u09af\u09c7\u09a4\u09c7 6 \u099f\u09be\u0995\u09be \u09ac\u09be\u09b8 \u09ad\u09be\u09dc\u09be \u09a6\u09bf\u09a4\u09c7 \u09b9\u09df\u0964<\/p>\n<p>\u2234 \u09ac\u09be\u09b8\u09ad\u09be\u09dc\u09be \u09ac\u09c7\u09dc\u09c7\u099b\u09c7 = (6 \u2013 4) \u099f\u09be\u0995\u09be = 2 \u099f\u09be\u0995\u09be<\/p>\n<p>\u2234 \u09b6\u09a4\u0995\u09b0\u09be \u09ac\u09be\u09b8\u09ad\u09be\u09dc\u09be \u09ac\u09c7\u09dc\u09c7\u099b\u09c7 = `(frac2{4}\u00d7100)`% = 50%<\/p>\n<p>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u09ac\u09be\u09b8\u09ad\u09be\u09dc\u09be \u09b6\u09a4\u0995\u09b0\u09be \u09ac\u09c7\u09dc\u09c7\u099b\u09c7 50 \u099f\u09be\u0995\u09be\u0964<\/p>\n<p><strong>7. \u099a\u09bf\u09a8\u09bf\u09b0 \u09a6\u09be\u09ae \u09ac\u09be\u09dc\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u0986\u0997\u09c7 125 \u099f\u09be\u0995\u09be\u09df \u09af\u09c7 \u09aa\u09b0\u09bf\u09ae\u09be\u09a3 \u099a\u09bf\u09a8\u09bf \u0995\u09bf\u09a8\u09a4\u09be\u09ae, \u098f\u0996\u09a8 150 \u099f\u09be\u0995\u09be\u09df \u09b8\u09c7\u0987 \u09aa\u09b0\u09bf\u09ae\u09be\u09a3 \u099a\u09bf\u09a8\u09bf \u0995\u09bf\u09a8\u09bf\u0964 \u098f\u0996\u09a8 \u099a\u09bf\u09a8\u09bf\u09b0 \u09a6\u09be\u09ae \u09b6\u09a4\u0995\u09b0\u09be \u0995\u09a4 \u09ac\u09c7\u09dc\u09c7\u099b\u09c7 \u09b9\u09bf\u09b8\u09be\u09ac \u0995\u09b0\u09c7 \u09a6\u09c7\u0996\u09bf\u0964<\/strong><\/p>\n<p><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong> \u09af\u09c7 \u09aa\u09b0\u09bf\u09ae\u09be\u09a3 \u099a\u09bf\u09a8\u09bf \u0986\u0997\u09c7 125 \u09a4\u09be\u0995\u09be\u09df \u0995\u09bf\u09a8\u09a4\u09be\u09ae \u09b8\u09c7\u0987 \u09aa\u09b0\u09bf\u09ae\u09be\u09a3 \u099a\u09bf\u09a8\u09bf \u098f\u0996\u09a8 150 \u099f\u09be\u0995\u09be\u09df \u0995\u09bf\u09a8\u09bf\u0964<\/p>\n<p>\u2234 \u099a\u09bf\u09a8\u09bf\u09b0 \u09a6\u09be\u09ae \u09ac\u09c7\u09dc\u09c7\u099b\u09c7 = (150 \u2013 125) \u099f\u09be\u0995\u09be = 25 \u099f\u09be\u0995\u09be<\/p>\n<p>\u09b6\u09a4\u0995\u09b0\u09be \u099a\u09bf\u09a8\u09bf\u09b0 \u09a6\u09be\u09ae \u09ac\u09c3\u09a6\u09cd\u09a7\u09bf \u09aa\u09c7\u09df\u09c7\u099b\u09c7\u2014<\/p>\n<p>`(frac(25){125}\u00d7100)|% = `frac(100){5}`%<\/p>\n<p>= 20%<\/p>\n<p>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u099a\u09bf\u09a8\u09bf\u09b0 \u09a6\u09be\u09ae \u09b6\u09a4\u0995\u09b0\u09be 20 \u099f\u09be\u0995\u09be \u09ac\u09c3\u09a6\u09cd\u09a7\u09bf \u09aa\u09c7\u09af\u09bc\u09c7\u099b\u09c7\u0964<\/p>\n<p><strong>8. \u09b0\u09cb\u099c\u09bf\u09a8\u09be 1 \u09a6\u09bf\u09a8\u09c7 90 \u099f\u09bf \u0985\u0999\u09cd\u0995 \u0995\u09b0\u09c7\u099b\u09c7\u0964 \u09b6\u09c7\u09ab\u09be\u09b2\u09bf \u0993\u0987 \u09b8\u09ae\u09df\u09c7 65\u099f\u09bf \u0985\u0999\u09cd\u0995 \u0995\u09b0\u09c7\u099b\u09c7\u0964 \u0993\u0987 \u09b8\u09ae\u09df\u09c7 \u09b0\u09cb\u099c\u09bf\u09a8\u09be \u09b6\u09c7\u09ab\u09be\u09b2\u09bf\u09b0 \u09a5\u09c7\u0995\u09c7 \u09b6\u09a4\u0995\u09b0\u09be \u0995\u09a4 \u09ac\u09c7\u09b6\u09bf \u0985\u0999\u09cd\u0995 \u0995\u09b0\u09c7\u099b\u09c7 \u09a6\u09c7\u0996\u09bf\u0964 \u09b6\u09c7\u09ab\u09be\u09b2\u09bf \u0993\u0987 \u09b8\u09ae\u09df\u09c7 \u09b0\u09cb\u099c\u09bf\u09a8\u09be\u09b0 \u09a5\u09c7\u0995\u09c7 \u09b6\u09a4\u0995\u09b0\u09be \u0995\u09a4 \u0995\u09ae \u0985\u0999\u09cd\u0995 \u0995\u09b0\u09c7\u099b\u09c7 \u09b9\u09bf\u09b8\u09be\u09ac \u0995\u09b0\u09bf\u0964<\/strong><\/p>\n<p><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong> \u09b0\u09c7\u099c\u09bf\u09a8\u09be 1 \u09a6\u09bf\u09a8\u09c7 90 \u099f\u09bf \u0985\u0999\u09cd\u0995 \u0995\u09b0\u09c7\u099b\u09c7\u0964 \u09b6\u09c7\u09ab\u09be\u09b2\u09bf \u0993\u0987 \u09b8\u09ae\u09df\u09c7 65 \u099f\u09bf \u0985\u0999\u09cd\u0995 \u0995\u09b0\u09c7\u099b\u09c7\u0964<\/p>\n<p>\u0985\u09b0\u09cd\u09a5\u09be\u09ce \u0993\u0987 \u09b8\u09ae\u09df\u09c7 \u09b0\u09c7\u099c\u09bf\u09a8\u09be \u09b6\u09c7\u09ab\u09be\u09b2\u09bf\u09b0 \u09a5\u09c7\u0995\u09c7 (90 \u2013 65) = 25 \u099f\u09bf \u0985\u0999\u09cd\u0995 \u09ac\u09c7\u09b6\u09bf \u0995\u09b0\u09c7\u099b\u09c7\u0964<\/p>\n<p>\u2234 \u09b0\u09c7\u099c\u09bf\u09a8\u09be \u09b6\u09c7\u09ab\u09be\u09b2\u09bf\u09b0 \u09a5\u09c7\u0995\u09c7 \u09b6\u09a4\u0995\u09b0\u09be<\/p>\n<p>`(frac(25){65}\u00d7100)` \u099f\u09bf = `frac(500){13}`\u099f\u09bf<\/p>\n<p>= `38\\frac(6){13}`\u099f\u09bf \u0985\u0999\u09cd\u0995 \u09ac\u09c7\u09b6\u09bf \u0995\u09b0\u09c7\u099b\u09c7\u0964<\/p>\n<p>\u0986\u09ac\u09be\u09b0 \u09b6\u09c7\u09ab\u09be\u09b2\u09bf, \u09b0\u09c7\u099c\u09bf\u09a8\u09be\u09b0 \u09a5\u09c7\u0995\u09c7 (90-65) = 25 \u099f\u09bf \u0985\u0999\u09cd\u0995 \u0995\u09ae \u0995\u09b0\u09c7\u099b\u09c7\u0964 \u0985\u09b0\u09cd\u09a5\u09be\u09ce \u09b6\u09c7\u09ab\u09be\u09b2\u09bf \u0993\u0987 \u09b8\u09ae\u09df\u09c7 \u09b0\u09c7\u099c\u09bf\u09a8\u09be\u09b0 \u09a5\u09c7\u0995\u09c7 \u09b6\u09a4\u0995\u09b0\u09be<\/p>\n<p>`(frac(25){90}\u00d7100)` \u099f\u09bf = `frac(500){18}`\u099f\u09bf<\/p>\n<p>= `27\\frac(7){9}` \u099f\u09bf \u0985\u0999\u09cd\u0995 \u0995\u09ae \u0995\u09b0\u09c7\u099b\u09c7\u0964<\/p>\n<p>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u09b0\u09c7\u099c\u09bf\u09a8\u09be \u09b6\u09c7\u09ab\u09be\u09b2\u09bf\u09b0 \u09a5\u09c7\u0995\u09c7 \u09b6\u09a4\u0995\u09b0\u09be 38 \u099f\u09bf \u0985\u0999\u09cd\u0995 \u09ac\u09c7\u09b6\u09bf \u0995\u09b0\u09c7\u099b\u09c7 `38\\frac(6){13}` \u099f\u09bf \u098f\u09ac\u0982 \u09b6\u09c7\u09ab\u09be\u09b2\u09bf \u0993\u0987 \u09b8\u09ae\u09df\u09c7 \u09b0\u09c7\u099c\u09bf\u09a8\u09be\u09b0 \u09a5\u09c7\u0995\u09c7 \u09b6\u09a4\u0995\u09b0\u09be `27\\frac(7){9}` \u099f\u09bf \u0985\u0999\u09cd\u0995 \u0995\u09ae \u0995\u09b0\u09c7\u099b\u09c7\u0964<\/p>\n<p><strong>9. \u09b8\u09c1\u09b9\u09be\u09b8 \u09ac\u09be\u09ac\u09c1 \u09a4\u09be\u0981\u09b0 \u09ac \u09ae\u09be\u09b8\u09bf\u0995 \u0986\u09df\u09c7\u09b0 `66\\frac2{3}` \u09e8% \u0996\u09b0\u099a \u0995\u09b0\u09c7\u09a8\u0964 \u09a4\u09bf\u09a8\u09bf \u09af\u09a6\u09bf \u09ae\u09be\u09b8\u09c7 3250 \u099f\u09be\u0995\u09be \u0996\u09b0\u099a \u0995\u09b0\u09c7\u09a8 \u09a4\u09ac\u09c7 3 \u09a4\u09be\u0981\u09b0 \u09ae\u09be\u09b8\u09bf\u0995 \u0986\u09df \u0995\u09a4 \u09b9\u09ac\u09c7 \u09b9\u09bf\u09b8\u09be\u09ac \u0995\u09b0\u09c7 \u09a6\u09c7\u0996\u09bf\u0964<\/strong><\/p>\n<p><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong> \u09b8\u09c1\u09b9\u09be\u09b8\u09ac\u09be\u09ac\u09c1 \u09a4\u09be\u0981\u09b0 \u09ae\u09be\u09b8\u09bf\u0995 \u0986\u09df\u09c7\u09b0 `66\\frac2{3}`% \u0996\u09b0\u099a \u0995\u09b0\u09c7\u09a8\u0964<\/p>\n<p>\u0985\u09b0\u09cd\u09a5\u09be\u09ce, `66\\frac2{3}` \u099f\u09be\u0995\u09be \u0996\u09b0\u099a \u0995\u09b0\u09c7\u09a8 \u09af\u0996\u09a8 \u09b8\u09c1\u09b9\u09be\u09b8\u09ac\u09be\u09ac\u09c1\u09b0 \u09ae\u09be\u09b8\u09bf\u0995 \u0986\u09df 100 \u099f\u09be\u0995\u09be<\/p>\n<p>1 \u099f\u09be\u0995\u09be \u0996\u09b0\u099a \u0995\u09b0\u09c7\u09a8 \u09af\u0996\u09a8 \u09b8\u09c1\u09b9\u09be\u09b8\u09ac\u09be\u09ac\u09c1\u09b0 \u09ae\u09be\u09b8\u09bf\u0995 \u0986\u09df 100 \u00f7 `66\\frac2{3}` \u099f\u09be\u0995\u09be<\/p>\n<p>= 100 \u00f7 `frac(200){3}` \u099f\u09be\u0995\u09be = 100 \u00d7 `frac(3){200}` \u099f\u09be\u0995\u09be = `frac(3){2}` \u099f\u09be\u0995\u09be<\/p>\n<p>3250 \u099f\u09be\u0995\u09be \u0996\u09b0\u099a \u0995\u09b0\u09c7\u09a8 \u09af\u0996\u09a8 \u09b8\u09c1\u09b9\u09be\u09b8\u09ac\u09be\u09ac\u09c1\u09b0 \u09ae\u09be\u09b8\u09bf\u0995 \u0986\u09df `frac(3){2}` \u00d7 3250 \u099f\u09be\u0995\u09be<\/p>\n<p>= 3 \u00d7 1625 \u099f\u09be\u0995\u09be = 4875 \u099f\u09be\u0995\u09be<\/p>\n<p>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 3250 \u099f\u09be\u0995\u09be \u09ae\u09be\u09b8\u09bf\u0995 \u0996\u09b0\u099a \u0995\u09b0\u09c7\u09a8 \u09af\u0996\u09a8 \u09b8\u09c1\u09b9\u09be\u09b8\u09ac\u09be\u09ac\u09c1\u09b0 \u09ae\u09be\u09b8\u09bf\u0995 \u0986\u09df 4875 \u099f\u09be\u0995\u09be\u0964<\/p>\n<p><strong>10. \u09a8\u09c0\u099a\u09c7\u09b0 \u09ae\u09cb\u099f \u099b\u09cb\u099f\u09cb \u0998\u09b0\u0997\u09c1\u09b2\u09bf\u09b0 10% \u0998\u09b0\u09c7 \u09b2\u09be\u09b2 \u09b0\u0982 \u0993 40% \u0998\u09b0\u09c7 \u09b9\u09b2\u09c1\u09a6 \u09b0\u0982 \u09a6\u09bf\u0987\u0964<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5943 size-large\" src=\"http:\/\/hazarnotes.com\/mystaging01\/wp-content\/uploads\/2026\/02\/7-Kose-Dekhi-1.2-10-863x1024.jpg\" alt=\"\" width=\"863\" height=\"1024\" srcset=\"https:\/\/hazarnotes.com\/mystaging01\/wp-content\/uploads\/2026\/02\/7-Kose-Dekhi-1.2-10-863x1024.jpg 863w, https:\/\/hazarnotes.com\/mystaging01\/wp-content\/uploads\/2026\/02\/7-Kose-Dekhi-1.2-10-253x300.jpg 253w, https:\/\/hazarnotes.com\/mystaging01\/wp-content\/uploads\/2026\/02\/7-Kose-Dekhi-1.2-10-768x911.jpg 768w, https:\/\/hazarnotes.com\/mystaging01\/wp-content\/uploads\/2026\/02\/7-Kose-Dekhi-1.2-10.jpg 885w\" sizes=\"auto, (max-width: 863px) 100vw, 863px\" \/><\/p>\n<p><span style=\"color: #800080;\"><strong>\ud83d\udccc\u0986\u09b0\u0993 \u09a6\u09c7\u0996\u09cb\u0983<\/strong><\/span><\/p>\n<p><strong>\ud83d\udccc\u09b8\u09aa\u09cd\u09a4\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf <span style=\"color: #ff0000;\">\u0987\u0989\u09a8\u09bf\u099f \u099f\u09c7\u09b8\u09cd\u099f<\/span> \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09aa\u09a4\u09cd\u09b0 <a href=\"http:\/\/hazarnotes.com\/mystaging01\/class-7-question-papers-all-subject-wbbse\/\">Click Here<\/a><\/strong><\/p>\n<p><strong>\ud83d\udccc \u09b8\u09aa\u09cd\u09a4\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf <span style=\"color: #ff0000;\">\u0997\u09a3\u09bf\u09a4<\/span> \u09b8\u09ae\u09be\u09a7\u09be\u09a8 <a href=\"http:\/\/hazarnotes.com\/mystaging01\/class-7-math-solution-ganit-prabha-wbbse\/\">Click Here<\/a><\/strong><\/p>\n<p><span style=\"color: #800080;\"><strong>\ud83d\udccc \u0985\u09a8\u09cd\u09af\u09be\u09a8\u09cd\u09af \u09ac\u09bf\u09b7\u09af\u09bc\u09c7\u09b0 \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09cb\u09a4\u09cd\u09a4\u09b0\u0983<\/strong><\/span><\/p>\n<p><strong>\ud83d\udccc \u09b8\u09aa\u09cd\u09a4\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf <span style=\"color: #ff0000;\">\u09ac\u09be\u0982\u09b2\u09be<\/span> \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09cb\u09a4\u09cd\u09a4\u09b0 <a href=\"http:\/\/hazarnotes.com\/mystaging01\/class-7-bengali-textbook-solution-wbbse\/\">Click Here<\/a><\/strong><\/p>\n<p><strong>\ud83d\udccc \u09b8\u09aa\u09cd\u09a4\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf <span style=\"color: #ff0000;\">\u0987\u0982\u09b0\u09c7\u099c\u09bf<\/span> \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09cb\u09a4\u09cd\u09a4\u09b0 <a href=\"http:\/\/hazarnotes.com\/mystaging01\/class-7-english-textbook-solution-wbbse\/\">Click Here<\/a><\/strong><\/p>\n<p><strong>\ud83d\udccc \u09b8\u09aa\u09cd\u09a4\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf <span style=\"color: #ff0000;\">\u0987\u09a4\u09bf\u09b9\u09be\u09b8<\/span> \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09cb\u09a4\u09cd\u09a4\u09b0 <a href=\"http:\/\/hazarnotes.com\/mystaging01\/class-7-history-text-book-solution-wbbse\/\">Click Here<\/a><\/strong><\/p>\n<p><strong>\ud83d\udccc \u09b8\u09aa\u09cd\u09a4\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf <span style=\"color: #ff0000;\">\u09ad\u09c2\u0997\u09cb\u09b2<\/span> \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09cb\u09a4\u09cd\u09a4\u09b0 <a href=\"http:\/\/hazarnotes.com\/mystaging01\/class-7-geography-question-answer-wbbse\/\">Click Here<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0995\u09b7\u09c7 \u09a6\u09c7\u0996\u09bf\u2014 1.2 1. (i) 2 \u099f\u09be\u0995\u09be\u09b0 `12\\frac1{2}`% \u0995\u09a4 \u09aa\u09df\u09b8\u09be \u09a6\u09c7\u0996\u09bf\u0964 \u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983 2 \u099f\u09be\u0995\u09be = 200 \u09aa\u09df\u09b8\u09be 2 \u099f\u09be\u0995\u09be\u09b0 `12\\frac1{2}`% = 200 \u09aa\u09df\u09b8\u09be\u09b0 `12\\frac1{2}`% = 200 \u00d7 `frac(25){2}`% = 200 \u00d7 `frac(25){2}` \u00d7 `frac(1){100}` = 25 \u2234 2 \u099f\u09be\u0995\u09be\u09b0 `12\\frac1{2}`% = 25 \u09aa\u09af\u09bc\u09b8\u09be\u0964 (ii) 840 \u0997\u09cd\u09b0\u09be\u09ae\u09c7\u09b0 30% \u0995\u09a4 \u0997\u09cd\u09b0\u09be\u09ae \u09a6\u09c7\u0996\u09bf\u0964 \u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983 840 \u0997\u09cd\u09b0\u09be\u09ae\u09c7\u09b0 30% = &#8230; <a title=\"\u0995\u09b7\u09c7 \u09a6\u09c7\u0996\u09bf 1.2 \u09b8\u09aa\u09cd\u09a4\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf \u0997\u09a3\u09bf\u09a4\u09aa\u09cd\u09b0\u09ad\u09be \u09b8\u09ae\u09be\u09a7\u09be\u09a8 | Kose Dekhi 1.2 Class 7 Math Solution wbbse\" class=\"read-more\" href=\"https:\/\/hazarnotes.com\/mystaging01\/kose-dekhi-1-2-class-7-math-solution-wbbse\/\" aria-label=\"Read more about \u0995\u09b7\u09c7 \u09a6\u09c7\u0996\u09bf 1.2 \u09b8\u09aa\u09cd\u09a4\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf \u0997\u09a3\u09bf\u09a4\u09aa\u09cd\u09b0\u09ad\u09be \u09b8\u09ae\u09be\u09a7\u09be\u09a8 | Kose Dekhi 1.2 Class 7 Math Solution wbbse\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[119],"tags":[],"class_list":["post-5942","post","type-post","status-publish","format-standard","hentry","category-119"],"_links":{"self":[{"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/posts\/5942","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/comments?post=5942"}],"version-history":[{"count":0,"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/posts\/5942\/revisions"}],"wp:attachment":[{"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/media?parent=5942"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/categories?post=5942"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/tags?post=5942"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}