defence exam CRPF Constable Tradesmen & Technical 2023 Mock Test Quantitative Aptitude Speed Time and Distance
Three persons are walking from A to B. Their speeds are in the ratio of 4 : 3 : 5. The time ratio to reach B will be
1
4 : 3 : 5
2
5 : 3 : 4
3
15 : 9 : 20
4
15 : 20 : 12