state gov UP Police Head Operator (Radio Cadre) Mock Test Quantitative Aptitude Speed Time and Distance Problem on Trains
A train a whose length is 800 m can cross the pole in 32 seconds and cover the x distance in 4 hours. If the other train b can cover the same distance in 2.5 hour, how much time the train b require to pass the pole? Consider the length of both trains is same.
1
20 sec
2
20 min
3
15 sec
4
15 min