348 views

A man travels $35$ km partly at $4$ $kmph$ and partly at $5$ $kmph$. If he covers the former distance at $5$ $kmph$ and the later distance at $4$ $kmph$, he could cover $2$ km more in the same time. The time taken to cover the whole distance at the original rate (in hours) is :

1. $4\frac{1}{2}$
2. $7$
3. $8$
4. $9$

option C,i.e 8 hours
by
168 points

1 vote
1
423 views