engineering recuitment Vizag Steel MT Mechanical 2020 Test Series Quantitative Aptitude Speed Time and Distance Problem on Trains
Two trains of length 100 m and 80 m respectively run on parallel lines of rails. When running in the same direction the trains pass each other in 18 s, but when they are running in opposite directions with the same speeds as earlier, they pass each other in 9 s. Determine the speed of the faster train.
1
5 m/s
2
10 m/s
3
15 m/s
4
20 m/s