A) 35 hours
B) 42 hours
C) 53 hours
D) 47 hours
E) 50 hours
Correct Answer: B
Solution :
The speed of the faster one is 5 kmph and that of the slower one is 3 kmph. So, the faster one is ahead. So, let him catch up after x hours \[5x-3x=70\,\,km\] or, \[2x=70\] \[\therefore \] \[x=35\] hours Hence the faster catch up the slower one after every 35 hours.You need to login to perform this action.
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