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The average age of a group of 20 men is ...

The average age of a group of 20 men is 30 years. A 50 year old man leaves the group, while a woman joins the group. The average age decreases by 1 year. What is the age of the woman?
एक समूह के 20 पुरुषों की औसत आयु 30 वर्ष है | 50 वर्ष का एक व्यक्ति समूह छोड़ देता है, जबकि समूह में एक महिला शामिल हो जाती है | औसत आयु 1 वर्ष कम हो जाती है | महिला की उम्र कितनी है ?

A

30 years

B

35 years

C

38 years

D

40 years

Text Solution

Verified by Experts

The correct Answer is:
A
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