Mathematics
NULL
Medium
Question
The total cost of flooring a room at Rs. 8.50 per square metre is Rs. 510. If the length of the room is 8 m, its breadth is __________?
A
7.5m
✓ Official correct answer
B
8.5m
C
10.5m
D
12.5m
Community credibility
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A
7.5m
No member explanations yet for this option.
B
8.5m
No member explanations yet for this option.
C
10.5m
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D
12.5m
No member explanations yet for this option.
Explanation
Area = 510 / 8.50 = 60 m². Breadth = 60 / 8 = 7.5 m.