A man can row a boat at a speed of 20 km/hr in still water. If the speed of the stream is 5 km/hr, in what time he can row a distance of 75 km downstream?

July 27, 2023

415 Views

Question	A man can row a boat at a speed of 20 km/hr in still water. If the speed of the stream is 5 km/hr, in what time he can row a distance of 75 km downstream?
Type	multiple_choice
Option	1.5 hours	incorrect
Option	2 hours	incorrect
Option	2.5 hours	incorrect
Option	3 hours	correct

Solution:- Speed of boat = 20 km/hr
Speed of stream = 5 km/hr
∴ Speed downstream = 20 + 5= 25 km/hr

Required Time = Distance / speed 75/25 = 3 hours

Take Mock Tests

Government Schemes Mock Test

Political Science Mock Test – 42

History Test – 190

Quantitative Aptitude Test

Data Interpretation - Mock Test

General Awareness - Mock Test

Reasoning Ability - Mock Test

Take Mock Tests