Give stream of consciousness and then the final answer. The floor of a rectangular room is 15 m long and 12 m wide. The room is surrounded by a verandah of width 2 m on all its sides. The area of the verandah is :\nOptions:\n(A) 124 m2\n(B) 120 m2\n(C) 108 m2\n(D) 58 m2\n(E) None of these
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Area of the outer rectangle = 19 × 16 = 304 m2\nArea of the inner rectangle = 15 × 12 = 180 m2\nRequired area = (304 – 180) = 124 m2
The final answer: (A).
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