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

Gautam goes to office at a speed of 12 kmph and returns home at 10 kmp

1.	Gautam goes to office at a speed of 12 kmph and returns home at 10 kmph. His average speed is :
A.	11 kmph
B.	22 kmph
C.	10.9 kmph
D.	12.5 kmph
Answer» D. 12.5 kmph

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

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