The average score of 8 numbers is 18. If one number is excluded, the average becomes 16. What is the excluded number?

Topic: Averages
Subtopic: Exclusion Problems

A28

B30

C32

D34

Explanation

Sum of 8 numbers = 8 * 18 = 144. Sum of remaining 7 numbers = 7 * 16 = 112. Excluded number = 144 – 112 = 32.

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