A river of width 200 m.... | JEE Main 2026

JEE MAIN 2026

21-1-2026 S2

Question

A river of width 200 m is flowing from west to east with a speed of 18Km/h. A boat, moving with speed of 36Km/h in still water, is made to travel one-round trip (bank to bank of the river). Minimum time taken by the boat for this journey and also the displacement along the river bank are ……… and ………. respectively.

Select the correct option:

20 s and 100 m

40 s and 0 m

40 s and 200 m

40 s and 100 m

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution