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1. The total cost of flooring a room at Tk. 8.50 per square meter is Tk. 510. If the length of the room is 8 m, its breadth is ?
- A. 7.5 m
- B. 7.5 m
- C. 7.5 m
- D. 7.5 m
Answer: Option A
Explanation:
Area = (510/8.50)
= (510/85)×10
= 60m²
∴Breadth = 60/8
= 7.5 m
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