engineering recuitment Vizag Steel MT Mechanical 2020 Test Series Quantitative Aptitude Speed Time and Distance Problem on Trains
Two trains start at the same time, P from A to B and Q from B to A.If they arrive at B and A,respectively, \(2\frac{1}{2}\)hours and 10 hours after they passed each other, and the speed of P is 90 km/hr, then the speed of Q in km/hr is?
1
80
2
75
3
45
4
60