BANK IBPS RRB PO Mock Test Series 2025 (Pre + Mains) Quantitative Aptitude Speed Time and Distance Problem on Trains
A train running at a speed of x km/hr crosses another (running in the opposite direction) train in 21 seconds which is 4/3th of its length and running at a speed of (x – 6) km/hr. Second train crosses a railway platform whose length is 300 meters, in 42 sec. Then, what is the value of x?
1
42
2
45
3
70
4
25
5
None of these