Qus : 1 AMU MCA PYQ 2

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1 *defined by $ a * b = (a + b)/2 $ is a binary operation on $ Z $
2 *defined by $a * b = (a + b)/2$ is a binary operation on $Q$
3 All binary commutative operations are associative
4 Subtraction is a binary operation on $N$
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AMU MCA Previous Year PYQ AMU MCA AMU MCA 2025 PYQ

[{"qus_id":"16813","year":"2025"}]