A hall 20 m long and 15 m broad is surrounded by a verandah of uniform width of 2.5 m. the cost of flooring the verandah at the rate of 3.50 per sq. meter is?
Correct Answer: Rs. 700
Explanation:
Area of verandah = [(25 x 20) -(20 x 15)] m2
= 200 m2
∴ Cost of flooring = Rs. (200 x 3.50)
= Rs. 700