DSSSB · Mathematics
A 600 m long train running at 90 km/hr crosses a tunnel in 45 seconds, What is the length (in m) of tunnel?
- 525
- 575
- 550
- 600
A 600 m long train running at 90 km/hr crosses a tunnel in 45 seconds, What is the length (in m) of tunnel?
- 525
- 575
- 550
- 600
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