Assertion (A) & Reason (B) MCQ

MCQ 11 Mark

Assertion (A) The number 1 is considered a prime number.
Reason (R) A prime number must have exactly two distinct factors.

A
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

D. (A) is false but (R) is true.

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MCQ 21 Mark

Assertion (A) The common factors of two numbers can never be greater than the smaller number.
Reason (R) Factors are numbers that divide another number completely.

A
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

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

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MCQ 31 Mark

Assertion (A) Tne number 9 and 25 are coprime. Reason (R) A number is said to be prime-, if it has only two factors 1 and the number itself.

A
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

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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