state gov Allahabad High Court Group D Mock Test Series 2024 Quantitative Aptitude Number System LCM and HCF
X, Y and Z run around a circular track of length 800 m at speeds of 18, 36 and 54 km/h, respectively. If they started at the same time from the same point and run in the same direction, when will they meet for the first time?
1
140 sec
2
130 sec
3
160 sec
4
150 sec