If anshul rows 15 km upstream and 21 km downstream taking 3 hours each – McqOptions

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

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