The average age of 10 persons is increased by 1 year when one of them having age 32 years is replaced by a new person. Then what is the age of new person?
1
22 years
2
32 years
3
42 years
4
12 years
5
52 years
The average age of 10 persons is increased by 1 year when one of them having age 32 years is replaced by a new person. Then what is the age of new person?