Quantitative Aptitude Ques 1451

Question: A hall 25 m long and 15 m broad is surrounded by a verandah of uniform width of 3.5 m. The cost of flooring the verandah, at Rs. 27.50 per m is

Options:

A) Rs. 9149.50

B) Rs. 8146. 50

C) Rs. 9047. 50

D) Rs. 4186.50

Show Answer

Answer:

Correct Answer: C

Solution:

  • Length and breadth of hall are $ 25m $ and $ 15m, $ respectively. Uniform width of verandah $ =3.5m $ Area of pathway $ =2x(l+b+2x) $ $ =2\times 3.5[25+15+(2\times 3.5)] $ $ =7[25+15+7]=329cm^{2} $ Now, cost of flooring verandah $ =27.50\times 329 $ $ =Rs\text{. 9047}\text{.50} $
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