engineering recuitment FCI JE 2022 Mock Test for CE/ME/EE (Phase I & II) Quantitative Aptitude Speed Time and Distance Problem on Trains
A train crosses a lamppost in 15 seconds. It then starts crossing a bird flying with a speed of 2 m/s in the same direction, but as soon as half of the train has passed a boy inside the train threw a bottle towards the bird and immediately it changes its direction and starts flying in the opposite direction increasing its speed by 1 m/s. Find the time taken by the train to completely cross the bird if the length of the train is 180 metres.
1
15 seconds
2
18 seconds
3
20 seconds
4
13 seconds
5
10 seconds