The average of 25 numbers is 13. If the average of the first

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The average of 25 numbers is 13. If the average of the first 13 numbers is 11.5 and the average of the last 13 numbers is 14.5, then the middle number is:

[SSC CHSL 1st June 2022 Shift-3 With Answers]

A

17

B

19

C

13

D

21

EXPLANATION

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