If anshul rows 15 km upstream and 21 km down stream taking 3 hours eac – McqOptions

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1.	If anshul rows 15 km upstream and 21 km down stream taking 3 hours each time, then the speed of the sream is ?
A.	1 km/hr
B.	1.5km/hr
C.	2 km/hr
D.	12 km/hr
Answer» B. 1.5km/hr

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