1
KCET 2026
MCQ (Single Correct Answer)
+1
-0
The probability that a man and his wife live after $20$ years are $\dfrac{1}{4}$ and $\dfrac{1}{3}$ respectively. The probability that neither the man nor his wife live after $20$ years is
A
$\dfrac{3}{4}$
B
$\dfrac{1}{12}$
C
$\dfrac{7}{12}$
D
$\dfrac{1}{2}$
2
KCET 2026
MCQ (Single Correct Answer)
+1
-0
Probability of obtaining an even prime number on each die when a pair of dice is rolled is
A
$0$
B
$\dfrac{1}{6}$
C
$\dfrac{1}{12}$
D
$\dfrac{1}{36}$
3
KCET 2026
MCQ (Single Correct Answer)
+1
-0
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
A
$\dfrac{4}{5}$
B
$\dfrac{3}{5}$
C
$\dfrac{2}{5}$
D
$\dfrac{1}{5}$
4
KCET 2026
MCQ (Single Correct Answer)
+1
-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
A
$1$
B
$0.8$
C
$0.6$
D
$1.2$