1.

A motor boat travels 25 km upstream in 8 hours at a speed. And can go further 39 km. With the same speed it covers 35 km upstream in 11 hours. And can go further 52 km. The speed of the stream is -

A. 2 किमी/घंटा
B. 3 किमी/घंटा
C. 4 किमी/घंटा
D. 4 किमी/घंटा
Answer» D. 4 किमी/घंटा


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