state gov WBPSC Clerkship Mock Test 2023 - 24 Quantitative Aptitude Speed Time and Distance Problem on Trains
A train, 200 m long, passes a pole in 20 seconds and crosses another train of the same length travelling in the opposite directions in 10 seconds. The speed of the second train is
1
10 m/s
2
12 m/s
3
30 m/s
4
16 m/s