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Shreyas walks at a speed of 4 kmph for h...

Shreyas walks at a speed of 4 kmph for half an hour and rides bicycle at 10 kmph for next 20 minutes and finally in car at 50 kmph for 10 minutes. Find his average speed during the entire journey. (in kmph)

A

13.67

B

12

C

21.33

D

15

Text Solution

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The correct Answer is:
A
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