The average of 12 numbers 16. When one number is discarded and 15 is added, the average becomes 17. What is the number

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VJesus12: Legendary Member; Posts: 2276; Joined: Sat Oct 14, 2017 6:10 amFollowed by: 3 members

by VJesus12 » Tue May 04, 2021 2:31 am

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The average of 12 numbers 16. When one number is discarded and 15 is added, the average becomes 17. What is the number that is discarded?

A. 3
B. 5
C. 6
D. 10
E. 12

Answer: A

Source: GMAT Paper Tests

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Source: Beat The GMAT — Problem Solving | Tue May 04, 2021 2:31 am

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