A boat running at the speed of 30 km hr downstream covers a distance of 5 km in 10 minutes The ...........

Quantitative Aptitude ( CCS) Time & distance

A boat running at the speed of 30 km/hr downstream covers a distance of 5 km in 10 minutes . The same boat while running upstream at the same speed covers the same distance in 12 minutes . What is the speed of the current?

2.5 km/hr

4 km/hr

3.2 km/hr

1.5 km/hr

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Explanation:

Solution:
x + y = (5 * 60)/10 = 30 ——–(1)
and x – y = (5 * 60)/12 = 25 ———(2)From (1) and (2) , we get
x + y – x + y = 30 – 25 = 5
=> y = 2.5 km/hr.

By: Pranav Gupta

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A boat running at the speed of 30 km hr downstream covers a distance of 5 km in 10 minutes The ...........

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