The average of 20 numbers is 15 and the average of first five numbers is 12.…
Bihar STET · PGT (Paper 2) · General Knowledge, Art of Teaching & Other Skills · 2019
The average of 20 numbers is 15 and the average of first five numbers is 12. The average of the rest is:
- A.
16
- B.
15
- C.
14
- D.
13
- E.
8
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Correct answer: A
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