A boat going downstream crosses a float at a point A. t1 minutes later the boat reverses its direction and in the next t2 minutes it crosses the float at a dis†an ce L from the point A. The velocity of the river i

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Q. A boat going down stream crosses a float at a point

A

^{'} t_{1}^{'}

minutes later the boat reverses its direction and in the next

^{'} t_{2}^{'}

minutes it crosses the float at a distance

L

from the point

A

. The velocity of the river is:

Q. A motor boat going downstream crosses a float at a point A.

60

minutes later it turns back and after some time it again crosses the float, now the float is at a distance of

12

km from the point A. The velocity of the stream is

Q. A motor boat going downstream overcomes a float at a point

A

60

minutes later it turns and after some time passes the float at a distance of

12 k m

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. The velocity of the stream is (assuming constant velocity for the boat in still water)

Q. A motor boat going downstream overcomes a float at a point A. 60 minutes later it turns and after some time passes the float at a distance of 12 km from the point A. The velocity of the stream is (assuming constant velocity for the boat in still water )
(1) 6 km/h
(2) 3 km/h
(3) 4 km/h
(4) 2 km/h

A motor boat going down stream overcomes a float at a point A. 60 minutes later it turns and after some time passes the float at a distance of 12 km from the point A. The velocity of the stream is (assuming constant velocity for the boat in still water)

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