Question

a square room is 4m high. The cost of carpeting its floor at Rs 50 per sq. meter is Rs 3200. Find the cost of painting its walls and ceiling at Rs 25 per sq. meter .

Answer 1

$vol \: is \: 4 \: power \: 3 = 64 \: sq.m$

$25 \: rs \: per \: sq.m$

$for \: 64 \: sq.m \: is$

$24 \times 64 = 1600$