Question

length and breadth of a hall are in the ratio 4:3 and its height is 550 cm. the cost of decorating its wall [ including doors and windows] at Rs 6.60 per square metres is Rs 5082. find the length and breadth of room.

Answer 1

5082\6.60=area
let the sides be 4x ,3x
a/q
2(4x+3x)×5.50=area