state gov UKPSC Police SI Mock Test 2024 Quantitative Aptitude Speed Time and Distance Relative Speed
A train travelling at the speed of x km/h crossed a 200 m long platform in 30 seconds and overtook a man walking in the same direction at the speed of 6 km/h in 20 seconds. What is the value of x?
1
50
2
56
3
54
4
60