top button
Flag Notify
    Connect to us
      Site Registration

Site Registration

Boatman goes 4km against current in 2hr and 7.5km along current in 90min. How long he take for 7 km in stationary water?

0 votes
268 views

A boatman goes 4 km against the current of the stream in 2 hour and goes 7.5 kms along the current in 90 minutes. How long will it take to go 7 km in stationary water?

posted May 25, 2017 by anonymous

Share this puzzle
Facebook Share Button Twitter Share Button LinkedIn Share Button

1 Answer (Check Answer ▼)





Similar Puzzles
0 votes
How many seconds will a 468 m long train take to cross a man driving his motor bike at a speed of 39 km/hr..............

How many seconds will a 468 m long train take to cross a man driving his motor bike at a speed of 39 km/hr in a direction of the moving train if the speed of the train is 120 km/hr?

+1 vote
The speed of the motor boat in still water is 25/3 m/s. It goes 75 km............Find the speed of the current in km/hr.

The speed of the motor boat in still water is 25/3 m/s.
It goes 75 km downstream and comes back in 9 hours.
Find the speed of the current in km/hr.

0 votes
What is the rate of current and the speed of the man in still water?

A man can row 30 km upstream and 44 km downstream in 10 hours. Also, he can row 40 km upstream and 55 km downstream in 13 hours.

Find the rate of current and the speed of the man in still water.

+1 vote
How long Michael Phelps can cover distance of one side at a still lake (no current).

Michael Phelps , the famous swimmer can swim downstream in a lake in exact 40 minutes (with the lake current helping time).
He can swim upstream in a lake in exact 60 minutes (against the lake current).
The length of lake is 2 kilometers.

How long Michael Phelps can cover distance of one side at a still lake (no current).

0 votes
How long does it take for all of the train to pass through the tunnel?

A train travelling at a speed of 80 kmph enters a tunnel that is 0.5 km long.
The length of the train is 0.25 km.
How long does it take for all of the train to pass through the tunnel, from the moment the front enters, to the moment the rear emerges?

...