other govt exam CBSE Junior Assistant Mock Test 2025 Quantitative Aptitude Speed Time and Distance Relative Speed
A train x running at 74 km/h crosses another train y running at 52 km/h in the opposite direction in 12 seconds. If the length of y is two-thirds that of x, then what is the length of x (in m)?
1
200
2
168
3
210
4
252