Question

a room is 8.5 m long 7m broad and 4m high. find the cost of painting its four walls if the rate of painting is rs 2 per square meter

Answer 1

hey
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•area of four walls =2h(l+b)
=2*4(8.5+7)
=8*15.5
=124

1m^2 painting cost = 2
124m^2 painting cost =124*2=rs248

•hence ans is rs 248

hope helped
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Answer 2

A room is 8.5 m long 7m broad and 4m high. find the cost of painting its four walls if the rate of painting is rs 2 per square meter?

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‎Answer:

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Cost of painting = ‎Rs. 248

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‎Step-By-Step Explanation:

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‎Given:

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‎We have, length = 8.5m; breadth = 7m; height= 4m

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‎So,

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‎Area = 2 x 4 [ 8.5 + 7]

= 8[ 15.5]

=  124 m²

According to the Question!!

Thus, the cost of Painting its four walls at the rate of Rs. 2/m² = 124 x 2 = Rs. 248

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