Curioustab

Home » Aptitude » Time and Distance

A boat moves downstream at 1 km in 5 minutes and upstream at 1 km in 12 minutes.What is the speed of current?

4.5 km/h
3.5 km/h
2 km/h
2.5 km/h

Correct Answer: 3.5 km/h

Explanation:

S_d = 12 km/h
S_u = 5 km/h
Speed of current = (12 - 5)/2 = 3.5 km/h

← Previous Question Next Question→

More Questions from Time and Distance

A person goes to his office from his home at the speed of 4 km/h and return back at the speed of 6 km/h. Find the average speed of the person?
If a person travel 39 km at a speed of 26 km/h, another 39 km at a speed of 39 km/h and 39 km again at a speed of 52 km/h . Then find the average speed of entire journey
If speed of 3 1/ 3 m/s is converted to km/h, then it would be
A car covers 300 km 15 h. Find the speed of the car?
A car covers a distance of 690 km in 30 h. What is the average speed of the car?
A bus is running with a uniform speed of 37 km/h. What distance will be covered by bus in 8 h?
A bus covers a distance of 400 km with a speed of 20 km/h. What time is taken by the bus to cover this distance?
The speed of a bus is 72 km/h. The distance Covered bye the bus in 5 s is
Ram and Shyam are moving in the directions opposite to each other. The Speeds of both persons are 10 km/h and 6 km/h, respectively. Find the speeds of Ram with respect of Shyam.
Two cars are moving in the same direction with their respective speeds of 9 km/h and 5 km/h. Find the relative speed of 1st car with respect of 2nd.

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion