A motor boat can travel at a speed of 10 km/h in still water. He is 91 – McqOptions

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1.	A motor boat can travel at a speed of 10 km/h in still water. He is 91 km in the river. Walked downstream and returned there. It took him 20 hours in total. What is the speed of the river flow?
A.	3 किमी/घंटा
B.	4किमी/घंटा
C.	2 किमी/घंटा
D.	3 किमी/घंटा
Answer» C. 2 किमी/घंटा

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