A boat covers 48 km. upstream and 72 km. downstream in 12 hours, while – McqOptions

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1.	A boat covers 48 km. upstream and 72 km. downstream in 12 hours, while it covers 72 km. upstream and 48 km. downstream is 13 hours. The speed of stream is -
A.	2.5 kmph
B.	4 kmph
C.	2 kmph
D.	2.2 kmph
Answer» D. 2.2 kmph

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