state gov Kolkata Police SI Mock Test 2023 Quantitative Aptitude Speed Time and Distance Problem on Trains
The ratio of length of two trains is 6 : 5 and the ratio of their speed is 3 : 2 The ratio of time taken by them to cross a pole is:
1
3 : 5
2
4 : 5
3
5 : 6
4
5 : 8