search
Q: Mohan can row a boat 45 km downstream and 22 km upstream in 5 hours. He can also row 60 km downstream and 33 km upstream in 7 hours. How much time will be take to row 30 km down stream and 30 km upstream if while rowing upstream he could row at a speed slower by 1km/hr due to stong wind in the direction of the steam ?
  • A. 4 h 20 m/4 घंटे 20 मिनट
  • B. 4 h 30 m/4 घंटे 30मिनट
  • C. 5h 20 m/5 घंटे 20मिनट
  • D. 5 h4/ 5घंटे
Correct Answer: Option D -
answer image

Explanations:

explanation image