railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Speed Time and Distance
The ratio of time taken by A and B to cover a certain distance is 7 : 9. The ratio of their respective speed will be:
1
7 : 9
2
7 : 3
3
3 : 7
4
9 : 7