Question

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

Answer 1

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Answer 2

The cost of whitewashing its four walls is Rs.4900

Step-by-step explanation:

Length of room = 8 m

Width of room = 6 m

Height of room = 3.5 m

Area of 4 walls =$2(l+b)h=2(8+6)(3.5)= 98 m^2$

Cost of white washing 1 sq.m. = Rs.50

Cost of white washing 98 sq.m. = $50 \times 98 = Rs.4900$

Hence the cost of whitewashing its four walls is Rs.4900

#Learn more:

Find the cost of papering the four walls of a room 16m long 12m broad and 8m high, with paper 2m wide at Rs 50 per meter

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