Find the time taken by a boat to travel 80 km with the current, if the speed of the boat in still water is 14 km/h and the speed of the current is 6 km/h?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 4 h
Time is taken by a boat to travel 80 km with the current =80/ 14 + 6 [Here the speed of the boat is still 14+6
water and the speed of the current is added because the boat is going with the current.]
= 80/20
= 4 hour