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Time and Distance-Aptitude Questions and Answers Discussion Page For Q Id 554ca1e734ce4696575

Interview Questions and Answers

A man travels a distance of 2 km by walking at a speed of 6 km/hr. He returns back at a speed of 4 km/hr. What is his average speed?


4.5 kmph


4.8 kmph


5 kmph


5.1 kmph

Correct Option - B


Time taken for the forward journey 

= 2/6 = (1/3) hrs

Time taken for the return journey 

= 2/4 = (1/2) hrs

Total time = 5/6 hrs

Average speed = 4/(5/6) = 24/5 = 4.8kmph

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