Question

A hall is 15 m long , 10 m broad and 4 m high . Find the cost of cementing its
walls and ceiling at the rate of Rs 8.50 per square metre.

Answer 1

Answer:

school has a hall which is 22 m long and 15.5 m broad. A carpet is laid inside the hall leaving all around a margin of 75 cm from the walls. Find the area of the carpet and the area of the strip left uncovered. If the width of the carpet is 82 cm, find its cost at the rate of Rs 60 per m.