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Average of 15 numbers is 53. A number is removed and the average of 14 numbers now becomes 55. Which number was removed? |
26 23 25 24 |
25 |
Sum of 15 numbers = 53 x 15 = 795 Sum of 14 numbers = 55 x 14 = 770 Removed number = 795 - 770 = 25 |
