A) 6 m
B) 8 m
C) 9 m
D) 12 m
Correct Answer: A
Solution :
[a] Length of the carpet \[=\left( \frac{10800}{90} \right)=120\,m\] Area of the room = Area of the carpet \[=\left( 120\times \frac{75}{100} \right)=90\,{{m}^{2}}\] Breadth of the room \[\text{=}\frac{\text{Area}}{\text{length}}\text{=}\frac{\text{90}}{\text{15}}=6\,cm\] |
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