Average Practice Test 5

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Question : 32 of 40

Marks: +1, -0

I travel from my home to my office which is 125 km away, at an average speed of 40 km/hr. I return at 30 km/h. What is my average speed for the whole journey?

34.1 km/h
34 km/h
35.2 km/h
36 km/h
70 km/h

Solution:

Average speed

=({2xy}/{x+y})

=({2×40×30}/{40+30})

=2400/70

= 34.1 km/h

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