The average age of a group of 12 students is 20years. If 4 more students join the group, the average age increases by 1 year. The average age of the new students is?
Submitted by: Administrator1. 24
2. 26
3. 23
4. 22
Ans : A
Submitted by: Administrator
2. 26
3. 23
4. 22
Ans : A
Submitted by: Administrator
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