Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Speed Time and Distance Boat and River
A train 250 metres long is running at a speed of 15 metre per second. In how much time (in seconds) train will cross a bridge of 500 metre long?
1
20
2
45
3
50
4
More than one of the above
5
None of the above