insurence exam LIC AAO Mock Test 2023 Quantitative Aptitude Speed Time and Distance Problem on Trains
A goods train can cross a station master standing on a platform in 21 seconds whereas it can cross the platform in 51 seconds. Find the length of the platform if the train is 350m long.
1
300 m
2
400 m
3
500 m
4
550 m
5
450 m