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The average of five numbers is 27. If one number is excluded, the average becomes 25. The excluded number is ?
Answer & Solution
Correct Answer:
Option
D
Sum of five number
= 27 × 5 = 135
Sum of four number
= 25 × 4 = 100
Excluded number
= 135 - 100 = 35
= 27 × 5 = 135
Sum of four number
= 25 × 4 = 100
Excluded number
= 135 - 100 = 35
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