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The average age of the all the 100 emplo...

The average age of the all the 100 employees in an office is 29 years where 2/5 employees are ladies and the ratio of average age of men to women is 5:7. the average age of female employees is :

A

18 years

B

35 years

C

25 years

D

none of these

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The correct Answer is:
B
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