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Neeraj Kumar

· started a discussion

· 1 Months ago

Original speed (Question: 257133.0 )

no where you have mentioned which is original speed 80 or 60

Question:

A boy covers a distance between two stations at a speed of 80 kmph and on the return his speed is 60 kmph. He goes again from the first station and covers thrice distance from earlier at thrice the original speed and returns the same distance at half of the original return speed. What is his average speed for the entire journey?

Options:
A)

55.5 kmph

B)

56.4 kmph

C)

54.6 kmph

D)

57.4 kmph

Solution:

Ans: (b)

  

Pravesh Vats

· commented

· 1 Months ago

original return speed
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