Mathematics
NULL
Medium
Question
A hall 20 m long and 15 m broad is surrounded by a verandah of uniform width 2.5 m. The cost of flooring the verandah at Rs. 3.50 per m² is __________?
A
Rs.500
B
Rs. 600
C
Rs. 700
✓ Official correct answer
D
Rs. 800
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A
Rs.500
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B
Rs. 600
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C
Rs. 700
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D
Rs. 800
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Explanation
Outer dimensions 25 m × 20 m. Verandah area = 500 − 300 = 200 m². Cost = 200 × 3.50 = Rs. 700.