Averages Problems: The average of 5 numbers is 27. If one number

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The average of 5 numbers is 27. If one number is excluded, the average becomes 25. The excluded number is-

Solution

Average of 5 numbers = 27Total sum of 5 numbers = 5 × 27 = 135Let the excluded number be = AAverage of 4 numbers...

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ISRO (2012) Placement questionThe new average is = 27 + (5 − 1)(27 − 25)= 27 + 8 = 35

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