railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test Quantitative Aptitude Speed Time and Distance Problem on Trains
A train travelling with a speed of 216 kmph crosses a man running in the opposite direction with a speed of 18 kmph in 5 sec. Find the time required to cross a flying drone which is flying at speed of 126 kmph in the same direction as that of the train.
1
15 sec
2
20 sec
3
13 sec
4
21 sec