Question

find the length and breadth of a room if their ratio is 10 :6 and cost of fencing is Rs. 6000 at Rs. 15 per metre

Answer 1

perimeter of room=6000/15
=400meter
lenth=10x
breadth=6x
perimeter=400 meter
2 (10x+6x)=400
20x+12x=400
32x=400
x=12.5
leanth=10×12.5=125 meter
breadth=6×12.5=75 meter

Answer 2

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