A rectanglular floor is 15m long and 12 m wide. Square stones of 50 cm side are to be fixed on the floor. Calculate the number of stones required for the purpose.find the cost of fixing the stones at the rate of Rs.18.50 per stone.
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convert all measurements in cm. then area of rec.=120×150=18000
then
area of sq. stones=50×50=2500
area of rec./area of sq. stones =7.2
7.2×18.50 =133.2
then
area of sq. stones=50×50=2500
area of rec./area of sq. stones =7.2
7.2×18.50 =133.2
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