The arithmetic mean between (x − y) and (x + y) is?
- x
- y
- 2x
- None of these
Explanation
Arithmetic mean = (first number + second number) / 2
= ((x - y) + (x + y)) / 2
= (x - y + x + y) / 2
= (2x) / 2
= x
Last verified on 17-06-2026
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