Question
If the average of 19, 34, 67, 45, 28, and 'x' is 43,
determine the value of 'x²'.Solution
ATQ,
19 + 34 + 67 + 45 + 28 + x = 43 × 6
Or, x = 258 - (19 + 34 + 67 + 45 + 28)
So, x = 65
So, required value = 65² = 4225
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