Q8 of 97 Page 780

A 36-m-long, 15-m-broad verandah is to be paved with stones, each measuring 6 dm by 5 dm. How many stones will be required?

Given: Length of verandah = 36 m


Breadth of verandah = 15 m


Length of stones = 6 dm = 0.6 m


Breadth of stones = 5 dm = 0.5 m



We know that,


Area of verandah = Length × Breadth


= 36 m × 15 m


= 540 m2


And,


Area of stones = Length × Breadth


= 0.6 m × 0.5 m


= 0.3 m2


Now,




= 1800 stones


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