Nine playing cards are numbered 2 to 10 .A card is selected from them at random. probability that the card will be a multiple of 4 is
1/9
2/9
2/10
1/10
A bag contains 5 white, 7 black and 4 red balls. Three balls are drawn from the bag at random, then the probability that all the three balls are white, is
Five horses are in a race. Mr.A selects two of the horses at random and bets on them. The probability that Mr. A selected the winning horse is
If P (A∩B) = 1/3, P(A∪B) = 5/6 and P(A) = 1/2, then which of the following is correct?
A and B are independent events
A and B are mutually exclusive events
P(A) = P(B)
P(A) < P(B)
The probability that at least one of the events A and B occurs is 0.6. If A and B occur simultaneously with probability 0.2, then the value of
1.2
1.4
0.8
0.4
If the probability of A to fail in an examination is 0.2 and that for B is 0.3, then probability that either A or B is fail, is
0.5
0.44
0.25
Out of 40 consecutive natural numbers, two are chosen at random, then the probability that the sum of these numbers is odd, is
A box contains 4 white pens and 2 black pens. Another box contains 3 white pens and 5 black pens. If one pen is selected from each box, then the probability that both the pens are white, is
Suppose an outcome A occurs m times out of n equally likely outcomes in an experiment.Then odds in favour of A =
n/m
m/n
(n-m)/m
m/(n-m)
A bag contains 5 brown and 4 white socks. A man pulls out two socks. The probability that both the socks are of the same color is
