Question Paper from: Railway RRB Group D (Paper -III)

Average of 15 numbers is 7. Out of them the average of first 8 numbers is 6.5 and the average of last eight numbers is 9.5. The middle number is:

1:

21

2:

22

3:

23

4:

None of these

Solution:
Chapter Name: Average

This has been asked in Question Paper

Railway RRB Group D (Paper -III)

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