A) 9 km/hr.
B) 6.75 km/hr.
C) 5.25 km/hr.
D) 7.5 km/hr.
Correct Answer: A
Solution :
[a] Let the rate against the current be x km/hr. Then, \[\frac{12-x}{2}=1.5\Rightarrow 12-x=3\Rightarrow x=9\,km/hr\]You need to login to perform this action.
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