DSSSB · Mathematics
A train with a speed of 90 km/hr crosses a pole in 30 seconds. The length of train is:
- 950 m
- 750 m
- 850 m
- 900 m
A train with a speed of 90 km/hr crosses a pole in 30 seconds. The length of train is:
- 950 m
- 750 m
- 850 m
- 900 m
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