defence exam CRPF Constable Tradesmen & Technical 2023 Mock Test Quantitative Aptitude Speed Time and Distance Average Speed
Ratio of speeds of three persons is 4 ∶ 5 ∶ 6, find the ratio of time required if distance covered by all 3 persons is same.
1
6 ∶ 5 ∶ 4
2
12 ∶ 15 ∶ 10
3
5 ∶ 6 ∶ 4
4
15 ∶ 12 ∶ 10