The length of a room is 1.5 times of its breadth. If the area of the room is 216 sq. meter, what is the perimeter of the room?

A 42
B 48
C 54
D 60

Correct Answer: 60

let, the breadth is x  so, tthe length is 1.5 x Accoring to the question, x*1.5x = 216 or, 1.5 x2 = 216 or, x = 12 breadth = 12 m length = 12* 1.5 = 18 so, perimeter = 2(12 + 18) = 60 m ans: 60 m
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