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Sticky Note
If the arithmetic mean of 7, 5, 13, x and 9 is 10, the value of x is?
  1. 16
  2. 17
  3. 18
  4. None of these
Explanation

Mean = Sum / n

(7 + 5 + 13 + x + 9) / 5 = 10

34 + x = 50

x = 16


Last verified on 20-10-2026

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