Multiple Choice Questions

Which one of the following is not a commutative law ........

Quantitative Aptitude Previous Year Papers

. Which one of the following is not a commutative law ?

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EPFO EO AO 2023

A*b=b*A

A+b=b+A

A—b = b—A

A*B=B*A

- The commutative law applies to certain operations where the order of the elements does not affect the result.

- Option 1: A * b = b * A

- This shows multiplication, which is commutative. Thus, the result remains the same regardless of the order.

- Option 2: A + b = b + A

- This is addition, and it is commutative. The order doesn't change the sum.

- Option 3: A — b = b — A

- Subtraction is not commutative. Switching the order changes the result.

- Option 4: A * B = B * A

- Similar to Option 1, this also shows multiplication, which is commutative.

- Correct answer: Option 3 - A — b = b — A

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