Question 41

A boat goes downstream at the rate of 9 kmph and upstream at the rate of 6 kmph. Find the speed of current.

Solution

Speed of current = $$\frac{1}{2}$$ (downstream - upstream)

= $$\frac{1}{2} (9 - 6)$$

= $$\frac{3}{2} = 1.5$$ kmph


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