Question

A room is 8m long , 6m wide and 3.5 m high. Find the cost of white washing its four walls at the rate of Rs 50 per square meter.

Answer 1

Step-by-step explanation:

lateral area of room= 2h(l+b)

= 2×3.5(8+6)

= 2×3.5×14

= 98m sq

total rupees for washing four walls

=98×50

=4900rs