Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Speed Time and Distance Boat and River
A man takes 1 h 30 minutes to swim 15 km downstream. He swims 8.4 km upstream in the same time. What is the speed of the current (in km/h)?
1
2.2
2
2.25
3
2.4
4
More than one of the above
5
None of the above