state gov MP Vyapam Group 4 (AG III & Steno) Mock Test Series 2025 Quantitative Aptitude Speed Time and Distance Relative Speed
The length of a circular track is 800 m. Virat and Amresh started from the same point on the track and ran in opposite directions. Virat took 12 minutes to cover one kilometre while Amresh took only 9 minutes to cover the same distance. They kept running for 90 minutes. How many times did they cross each other?
1
10
2
20
3
21
4
30