1
AP EAPCET 2024 - 23th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
When two dice are thrown the probability of getting the sum of the values on them as 10 or 11 is
A
$\frac{7}{36}$
B
$\frac{5}{36}$
C
$\frac{5}{18}$
D
$\frac{7}{18}$
2
AP EAPCET 2024 - 23th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
It is given that in a random experiment events $A$ and $B$ are such that $P(A)=\frac{1}{4}, P(A / B)=\frac{1}{2}$ and $P(B / A)=\frac{2}{3}$, then $P(B)$ is equal to
A
$1 / 3$
B
$2 / 3$
C
$1 / 2$
D
$1 / 6$
3
AP EAPCET 2024 - 23th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The probability that $A$ speaks truth is $75 \%$ and the probability that $B$ speaks truth is $80 \%$. The probability that they contradict each other when asked to speak on a fact is

A
$\frac{3}{20}$
B
$\frac{4}{20}$
C
$\frac{7}{20}$
D
$\frac{5}{20}$
4
AP EAPCET 2024 - 23th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
Bag $A$ contains 2 white and 3 red balls and bag $B$ contains 4 white and 5 red balls. If one ball is drawn at random from one of the bags and is found to be red, then the probability that it was drawn from the bag $B$ is
A
$\frac{23}{54}$
B
$\frac{25}{51}$
C
$\frac{25}{52}$
D
$\frac{27}{55}$
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