A room is 15m long, 4m broad and 3m height. Find the cost of white washing its

Question

A room is 15m long, 4m broad and 3m height. Find the cost of white washing its four walls at 50p per m2 ?

Options:

A . Rs.60

B . Rs.57

C . Rs.55

D . Rs.52

Answer: Option B

2 *3(15 + 4) = 114

114
* 1/2 = Rs.57

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