Q16
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
AnswerD.
Rs. 4186.50
Answer: Option C
Solution
Answer: Option C
Solution:
Area of verandahArea of verandah on outer boundary = 2x( + b + 2x)
= 2 × 3.5(25 + 15 + 2 × 3.5) = 329 m2
Cost of flooring = 329 × 27.5 = Rs. 9047.50 (approx.)