A room is 15m long, 4m broad and 3m height. Find the cost of white washing its four walls at 50p per m2 ?	Answers:  A) 33  B) 57  C) 88  D) 26  E) 19
2 *3(15 + 4) = 114   114 * 1/2 = Rs.57   \Answer:57
<result>B</result>
A room is 15m long, 4m broad and 3m height. Find the cost of white washing its four walls at 50p per m2 ?