Arithmetic mean of two numbers is 5. If one number is 6, find the othe – InterviewSolution

1.	Arithmetic mean of two numbers is 5. If one number is 6, find the other number.
Answer» Suppose, another number is x² x̄ = \(\frac{6+x_2}{2}\) ∴ 5 = \(\frac{6+x_2}{2}\) ∴ 10 = 6 + x² ∴ x² = 10 – 6 = 4 Hence, another number = 4.

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