If a boat goes upstream at a speed of 24 km/hr and comes bac

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SSC CGL Tier-2 21-February-2018 Maths
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MATH

94

M: +3.00/-0.00

If a boat goes upstream at a speed of 24 km/hr and comes back the same distance at 40 km/hr. What is the average speed (in km/hr) for the total journey.

[SSC CGL Tier-2 21-February-2018 Maths]

A 32

B 30

C 31

D 33