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BIHAR Current Bihar NEWS AND FACTS

30/03/2025
18/03/2024

Solve it
There is a group of some students and a 40 years teacher.If this teacher exit from that group and two new students having age 23 years & 25 years joined the group , Average age of that group decrease by 1 .Now a 57 years old teacher joined the group ,as a result Average age of this group increased by 2 then find total numbers of member initially and total age initially was.

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