engineering recuitment SAIL OCTT Mock Test 2024 Quantitative Aptitude Speed Time and Distance Problem on Trains
A train at 72 km/hr completely crosses another train having three forth of its length and going in the opposite direction at 54 km/hr in 20 sec. if it also passed a railway platform in 1 minute, the length of the platform is
1
400 meters
2
500 meters
3
800 meters
4
700 meters
5
None of these