Question

3 men A, B and C walks around a circle 1200 m in circumference at the rate of 60, 40 and 30 m/min respectively. If they all start together and walk in the same direction
1) when will they first be together again?
2) when will they first be together again at the starting point?

• A. 120,120
• B. 120,240
• C. 60,90
• D. None of these

Answer 1

The correct option is A 120,120

Option (A) is the correct answer. Check the video for the approach.