1
AP EAPCET 2024 - 19th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
There are 2 bags each containing 3 white and 5 black balls and 4 bags each containing 6 white and 4 black balls. If a ball drawn randomly from a bag is found to be black, then the probability that this ball is from the first set of bags is
A
$\frac{25}{57}$
B
$\frac{25}{41}$
C
$\frac{2}{5}$
D
$\frac{3}{5}$
2
AP EAPCET 2024 - 19th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
If two cards are drawn randomly from a pack of 52 playing cards, then the mean of the probability distribution of number of kings is
A
$\frac{215}{221}$
B
$\frac{2}{13}$
C
$\frac{188}{221}$
D
$\frac{13}{2}$
3
AP EAPCET 2024 - 19th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
In a consignment of 15 articles, it is found that 3 are defective. If a sample of 5 articles is chosen at random from it, then the probability of having 2 defective articles is
A
$\frac{256}{625}$
B
$\frac{64}{625}$
C
$\frac{128}{625}$
D
$\frac{512}{625}$
4
AP EAPCET 2024 - 18th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
If 5 letters are to be placed in 5 -addressed envelopes, then the probability that atleast one letter is placed in the wrongly addressed envelope, is
A
$\frac{1}{5}$
B
$\frac{1}{120}$
C
$\frac{4}{5}$
D
$\frac{119}{120}$
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