A hall 20 metres long and 15 metres broad is surrounded by a verandah of uniform width of 4metres. The cost of flooring the verandah, at 10 per square metre is

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A hall 20 metres long and 15 metres broad is surrounded by a verandah of uniform width of 4metres. The cost of flooring the verandah, at 10 per square metre is

ARs.3470

BRs.1800

CRs. 1760

DRs. 3440

Answer:

D. Rs. 3440

Read Explanation:

Area of the verandah = (20 + 2 × 4) (15 + 2 × 4) –20 × 15

= 28 × 23 – 20 × 15

= 644 – 300

= 344 sq.metre

Cost of flooring = 344 × 10 = Rs.3440.

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