A boat with speed 15 km/hr in standing water goes 30 km downstream and – McqOptions

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1.	A boat with speed 15 km/hr in standing water goes 30 km downstream and returns in a total of 4.5 hours. What is the speed of current?
A.	4 kmph
B.	6 kmph
C.	5 kmph
D.	8 kmph
Answer» D. 8 kmph

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