A) 6 min
B) 8 min
C) 9 min
D) 12 min
Correct Answer: D
Solution :
Ratio of the speed of A, B and C = 6 : 3 : 1 Ratio of the times taken\[=\frac{1}{6}:\frac{1}{3}:1=1:2:6\] \[\therefore \]Time taken by \[A=\frac{72}{6}\]12 minYou need to login to perform this action.
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