A boy goes to his school from his house at a speed of 3 km/hr and returns at a speed of 2 km/hr. If he takes 5 hours in going and coming, the distance between his house and school is.
- 8.5 km
- 5.5 km
- 6 km
- 9 km
Explanation
We are given:- Speed while going to school = 3 km/hr
- Speed while returning home = 2 km/hr
- Total time for the round trip = 5 hours
Step 1: Let the Distance Be "d" km- Time taken to go = hours
- Time taken to return = hours
Since total time is 5 hours,
Step 2: Solve for d
Taking LCM of 3 and 2 = 6,
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