Puzzle 26) Bikes and Distance

Puzzle

The distance between two stations X and Y is 230 kilometers. Two bikes start simultaneously from X and Y respectively, towards each other and the distance between them after 3 hours is 20 km. If the speed of one bike is less than that of the other by 10 km/hour, now your task is to find out the speed of slower bike.

Important points of puzzle (Key points):

1. Distance between stations id 230 km.
2. Two bikes start at the same time from opposite ends.
3. Bikes were moving towards each other.
4. Distance between them after 3 hours is 20 km.
5. If speed of one bike is less than other by 10 km/hour.
6. Find out the speed of slower bike.

Answer

30 km/hour

Reason

In three hours the two bikes cover 210 km. Hence, the sum of speeds must be 70 km/hour and the slower bike’s speed would be 30 km/hour.