Question

a swimming pool is 20m long 10m wide and 5m high deep. the cost of plastering it's walls and floor at rs40 per sq. m is​
a) Rs 10000
b) Rs 15000
c) Rs 20000
d) Rs 25000​

Answer 1

Answer:

Given

Length= 20m

width= 10m

Height= 5m

.

. . volume of the swimming pool = L× B × H

= 20×10×5

= 1000 sq.m

Now/

The cost of plastering 1 sq.m= RS 40

.

. . The cost of plastering 1000 sq.m= 40 × 1000

= RS 40000