Assertion (A) & Reason (B) MCQ

MCQ 11 Mark

Assertion (A) : If the probability of an event is $p$, then we always have $0 \leq p \leq 1$.
Reason (R) : Probability of a sure event is 1 and the probability of an impossible event is -1 .

✓
A is true, R is false.
B
A is false, R is true.
C
Both A and R are true, and R is the correct reason for A .
D
Both A and R are true, and R is incorrect reason for A .

Answer

Correct option: A.

A is true, R is false.

View full question & answer→

MCQ 21 Mark

Assertion (A) : If we toss a coin once, the probability of getting a head and a tail are equal.
Reason (R) : If we toss a coin, then the number of possible outcomes is 2.

A
A is true, R is false.
B
A is false, R is true.
C
Both A and R are true, and R is the correct reason for A .
✓
Both A and R are true, and R is incorrect reason for A .

Answer

Correct option: D.

Both A and R are true, and R is incorrect reason for A .

View full question & answer→

MCQ 31 Mark

Assertion (A) : The probability that a leap year has 53 Sundays is $\frac{1}{7}$.
Reason (R): A non leap year has 365 days.

A
A is true, R is false.
B
A is false, R is true.
C
Both A and R are true, and R is the correct reason for A .
✓
Both A and R are true, and R is incorrect reason for A .

Answer

Correct option: D.

Both A and R are true, and R is incorrect reason for A .

View full question & answer→

MCQ 41 Mark

Assertion (A) : The probability of getting an even number or an odd number in a single throw of a die is 1.
Reason (R) : The sum of the probabilities of all the elementary events of an experiment is 1 .

A
A is true, R is false.
✓
A is false, R is true.
C
Both A and R are true, and R is the correct reason for A .
D
Both A and R are true, and R is incorrect reason for A .

Answer

Correct option: B.

A is false, R is true.

View full question & answer→

Mathematics Assertion (A) & Reason (B) MCQ

Test yourself on this topic