state gov BSSC Field Assistant Mock Test Series 2025 Quantitative Aptitude Number System LCM and HCF
Three people start walking around a circular arena from the same place at the same time in the same direction. The first person completes a full cycle in 120 seconds. Second finish in 150 seconds and third finish in 80 seconds. Then after how much time will the three people meet at the starting point?
1
20 minutes
2
2 minutes 20 seconds
3
2 minutes 30 seconds
4
1 minute 40 seconds