engineering recuitment DRDO CEPTAM STA B Tier I (Sr. Technical Assistant) Mock Test 2022 Quantitative Aptitude Speed Time and Distance Problem on Trains
A train can cross a platform of length 250 meters in 36 seconds. Train can also cross another train of length 150 meter running with speed 40 km/h in opposite direction in 18 seconds, then what is the time taken by first train to cross a pole?
1
36 seconds
2
21 seconds
3
27 seconds
4
32 seconds