Speed of a boat in standing water is 9 kmph and the speed of the stream is 1.5 kmph. A man rows to a place at a distance of 105 km and comes back to the starting point. The total time taken by him is:
- A. 16 hours
- B. 18 hours
- C. 20 hours
- D. 24 hours
✅ Correct Answer: 24 hours
Explanation
Speed upstream=7.5 kmph. Speed downstream=10.5 kmph. [https://www.indiabix.com/_files/images/aptitude/1-sym-tfr.gif] Total time taken=105/(7.5)+
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