Question

In a group of 10 members, two individuals are 20 and 30

Q: Answer-In a group of 10 members, two individuals are 20 and 30 years old. Excluding these two, the average...

ATQ, Average age of all members be z years. Total age for all members is 10z. Age sum for the two excluded members is 203050. Remaining members total age 10z50. New average for 8 members z1. Equation 10z508z1 Solve 10z8z508 2z58 z29

years old. Excluding these two, the average age of the remaining members increases by 1 year. Determine the average age of the entire group.

A 18

B 29

C 30

D 37

E None of these

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IBPS RRB Clerk

In a group of 10 members, two individuals are 20 and 30

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