Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Speed Time and Distance Problem on Trains
A 500 m long train running at a speed of 100 m/s crosses a tunnel in 10 s. What is the length of the tunnel?
1
200 m
2
500 m
3
800 m
4
More than one of the above
5
None of the above