SSC Delhi Police MTS (Civilian) Mock Test Series Quantitative Aptitude Speed Time and Distance Problem on Trains
Three trains P, Q and R are of lengths 1800 m, 2100 m and 2400 m respectively. P and R cross each travelling in opposite direction in 28 seconds. Q and R cross each travelling in opposite direction in 450/13 seconds. What is the difference in the speeds of trains P and Q?
1
24
2
19
3
20
4
23