Q: The ratio between speed of boat in down stream and speed of stream – McqOptions

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1.	Q: The ratio between speed of boat in down stream and speed of stream is 9 : 1. If the speed of current is 3 km/hr, then find the distance travelled in upstream in 5 hours.
A.	105 km
B.	120 km
C.	110 km
D.	can't be determined
E.	None of these
Answer» B. 120 km

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