defence exam DGAFMS Group C 2025 Mock Test Series Quantitative Aptitude Speed Time and Distance Partial Speed
A car moves at a speed of 72 km/hr after repairing and moves at the speed of 54 km/hr before repairing. It covers X distance in 6 hours after repairing. How much time (in hours) will it take to cover 3X distance before repairing?
1
20
2
24
3
18
4
21