A hall 25 metres long and 15 metres broad is surrounded...

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A hall 25 metres long and 15 metres broad is surrounded by a varandah of uniform width of 3.5 metres. The cost of flooring the varandah, at Rs. 27.50 per square metre is:

A. Rs. 9149.50

B. Rs. 8146.50

C. Rs. 9047.50

D. Rs. 4186.50

Answer: Option C

Solution (By Examveda Team)

Area of verandah
Area of verandah on outer boundary = 2x($$l$$ + b + 2x)
= 2 × 3.5(25 + 15 + 2 × 3.5) = 329 m²
Cost of flooring = 329 × 27.5 = Rs. 9047.50 (approx.)

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