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कई” नA Vonowdak n ho m /i L1Sm b breocly ¢ v P नbe laved with Stones, &uth हीविरएग न 4 dm by5 dm. भी 7. ०" था ०20 /पवृणी रन ) ~° |
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Answer» Since:l =40mb=15 marea of verandah[rectangle]=l*b =40m*15m =600m.sqand stone each measuring 6dm by5dmby converting it into meter we get, 0.6m by 0.5mnow, area of stone= l*b =0.6m*0.5m =0.3m.sqnow, number of stone required =area of verandah/area of stone =600m.sq/0.3m.sq =600*10/3 =6000/3 =2000. |
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