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Gautam goes to office at a speed of 12 k...

Gautam goes to office at a speed of 12 kmph and returns home at 10 kmph. His average speed is :

A

11

B

22

C

10.9

D

12.5

Text Solution

Verified by Experts

The correct Answer is:
C
औसत चाल = `(2)/((1)/(12)+(1)/(10)) =(2)/((5+6)/(60))=(2 xx 60)/(11)`
` = 10.9 Km //hr`
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