Ravi goes to school at a speed of 5 km/h and returns home at 3 km/h. If the total time taken is 2 hours, what is the distance between his home and school?
Show answer & explanation
Correct answer: C
Explanation
Time = Distance / Speed
Let's say distance = x km
Going time = x/5
Returning time = x/3
Total time
x/5 + x/3 = 2
(3x + 5x ) / 15 = 2
8x / 15 = 2
8x = 30
x = 3.75 km