Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Speed Time and Distance Problem on Trains
A train crosses a one km long bridge in one minute and a 750 m long tunnel in 50 seconds. Assuming the train is running at a uniform speed, what is its speed?
1
81 km/h
2
90 km/h
3
72 km/h
4
More than one of the above
5
None of the above