A) 4km
B) 2km
C) 3km
D) 6km
Correct Answer: C
Solution :
Let the distance be x km. Then the time taken on the 1st day \[=x/4\] Time taken on the 2nd day \[=x/6\] We are given \[\frac{x}{4}-\frac{x}{6}\,=\frac{15}{60}\,\Rightarrow \,x=\frac{15}{60}(12)=3\,km\]You need to login to perform this action.
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