Mathematics
NULL
Medium
Question
The average of five numbers is 27. If one number is excluded, the average becomes 25. What is the excluded number?
A
25
B
27
C
30
D
35
✓ Official correct answer
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A
25
No member explanations yet for this option.
B
27
No member explanations yet for this option.
C
30
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D
35
No member explanations yet for this option.
Explanation
Excluded = 5 × 27 − 4 × 25 = 35.