Assertion (A) & Reason (B) MCQ

MCQ 11 Mark

Assertion (A) A linear equation in one variable has exactly one solution.
Reason (R) The solution of a linear equation in the value of the variable. That satisfies the equation and places both sides in balance.

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

Answer

Correct option: A.

Both A and R are true and R is the correct explanation of A.

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MCQ 21 Mark

Assertion (A) The value of $3 x+5=2$ is same as $3 x+7=4$.
Reason (R) Adding the same value to both sides maintains the balance between the two sides of the equation.

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

Answer

Correct option: A.

Both A and R are true and R is the correct explanation of A.

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MCQ 31 Mark

Assertion (A) The standard form of a linear equation in one variable $x$ is $a x+b=0$
Reason (R) Linear equation in one variable is $a x=0$, where $x$ is variable and $a$ is arbitrary constant.

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

Answer

Correct option: B.

Both A and R are true but R is not the correct explanation of A .

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MATHS Assertion (A) & Reason (B) MCQ

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