Question

find the cost of flooring the verandah at the rate of rupees 12 per m² if the length and breadth of the verandah are in the ratio of 3:2 and it's perimeter is 40 m​

Answer 1

ANSWER

Let length=3x

Breadth=2x

Perimeter=2(l+b)

40=2(3x+2x)

40=10x

x=4m

Length=3×4=12

Breadth =2×4=8

Area =L×b

=12×8=96m

2

Cost=12Rs. per m

2

Total =12×96

=Rs. 1152.

solution

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