Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Speed Time and Distance Boat and River
The speed of a boat in downstream is 30 kmph and its speed of boat in upstream is 15 kmph. What is the speed of the stream?.
1
8 kmph
2
7.5 kmph
3
6 kmph
4
More than one of the above
5
None of the above