railway RPF SI Mock Test Series 2024 Quantitative Aptitude Speed Time and Distance Average Speed

A man travelled the first 200 km at a speed of 50 km/h, the next 300 km at a speed of x km/h and the final 280 km at a speed of 80 km/h. If his average speed for the whole journey is 52 km/h, then the value of x is:

1

45

2

42

3

36

4

40

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