Assertion (A) & Reason (B) MCQ

MCQ 11 Mark

Assertion (A): $\sqrt{2}(5-\sqrt{2})$ is an irrational number.
Reason (R): Product of two irrational numbers is always irrational.

A
Both A and R are true and R is the correct
B
Both $A$ and $R$ are true but $R$ is not the explanation of A . correct explanation of A.
✓
A is true but R is false.
D
$A$ is false but $R$ is true.

Answer

Correct option: C.

A is true but R is false.

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MCQ 21 Mark

Assertion (A): Point $P (0,2)$ is the point of intersection of y -axis with the line $3 x +2 y =4$.
Reason (R): The distance of point $P (0,2)$ from x -axis is 2 units.

A
Both $A$ and $R$ are true and $R$ is the correct
B
Both $A$ and $R$ are true but $R$ is not the explanation of A . correct explanation of A.
✓
A is true but R is false.
D
$A$ is false but $R$ is true.

Answer

Correct option: C.

A is true but R is false.

(C) A is true but R is false.
Explanation: Put $(0,2)$ in $3 x+2 y=4$
We get LHS = RHS
Assertion is true.
Reason is also true. But it is not the correct explanation of Assertion (A).
Hence option B is the answer.

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Maths Assertion (A) & Reason (B) MCQ

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