Question

A traveller travels from one place to another at a speed of y km/h and reaches the destination in 4 hours. If the same traveller had traveled 1 km/h faster, he would have reached the destination 1 hour earlier. If he wants to cover this distance with the speed of 2 km/h then, find the time taken to cover the distance.

A 4.5 hours
B 5 hours
C 5.5 hours
D 6 hours
E none
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