Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Speed Time and Distance Boat and River
A river is flowing with the speed of 3 km/h. Two boats A and B having speed 15 km/h and 20 km/h respectively moves in opposite direction to each other (Boat A is moving against the stream and Boat B moves along the stream). Initially the boats are 70 km away from each other. Find the time in which they meet if they start moving at same time.
1
1 hour
2
30 minutes
3
2 hours
4
More than one of the above
5
None of the above