A boat moves downstream at the rate of 1 km in $${text{7}}frac{1}{2}$$ minutes – OfficerPath

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MCQ Practice

A boat moves downstream at the rate of 1 km in $${text{7}}frac{1}{2}$$ minutes and upstream at the rate of 5 km an hour. What is the speed of the boat in the still water?

Subject: MathematicsTopic: Boats And Streams

A

8 km/hour

B

$${text{6}}frac{1}{2}$$ km/hour

C

4 km/hour

D

$${text{3}}frac{1}{2}$$ km/hour

Correct Answer: B

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