KCET 2026 | Probability Question 3 | Mathematics

Probability of occurrence of an event A is $\dfrac{1}{2}$ and that of B is $\dfrac{3}{10}$. If A and B are mutually exclusive, then the probability of occurrence of neither A nor B is

$\dfrac{4}{5}$

$\dfrac{3}{5}$

$\dfrac{2}{5}$

$\dfrac{1}{5}$

KCET 2026

MCQ (Single Correct Answer)

-0

Probability of at least one of the events A and B occur is $0.6$. If A and B occur simultaneously with probability $0.2$, then $P(\bar{A}) + P(\bar{B})$ is

$1$

$0.8$

$0.6$

$1.2$

KCET 2025

MCQ (Single Correct Answer)

-0

A random experiment has five outcomes $\mathrm{w}_1, \mathrm{w}_2, \mathrm{w}_3, \mathrm{w}_4$ and $\mathrm{w}_5$. The probabilities of the occurrence of the outcomes $w_1, w_2, w_3, w_4$ and $w_5$ are respectively $\frac{1}{6}, a, b$ and $\frac{1}{12}$ such that $12 a+12 b-1=0$. Then the probabilities of occurrence of the outcome $w_3$ is

$\frac{2}{3}$

$\frac{1}{3}$

$\frac{1}{6}$

$\frac{1}{12}$

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