Teaching CG Vyapam Teacher 2024 Mock Test Quantitative Aptitude Speed Time and Distance Relative Speed
Three persons go from place A to place B. Their speed is in the ratio 2∶ 3∶ 7. Find the ratio of time taken by these persons to reach place B.
1
1 ∶ 2 ∶ 3
2
21 ∶ 14 ∶ 6
3
2 ∶ 14 ∶ 6
4
21 ∶ 4 ∶ 6