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
What is the probability of getting a head while tossing a coin?
1/2
1
4
0
If A and B are two events in a sample space then
p(A∪B)≥p(A)+p(B)
p(A∪B)≤p(A)+p(B)
p(A∪B)=p(A)+p(B)
None of these
A bag contains 10 white and 20 red balls. The probability that a ball drawn at random is white equals
1/3
1/4
1/5
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)
Two unbiased dice are thrown. Find the probability that six may be obtained as product?
6/12
4/12
6/9
A die is thrown twice. The probability that atleast one of the two items comes up with the number 3 is
5/12
11/36
1/12
7/24
If two coins are tossed once. What is the probability of getting atleast one head?
2/4
3/4
A die is rolled .If the outcome is an even number, what is the probability that it is a prime number
1/6
3/6
2/3
In a non-leap year the probability of getting 53 Sundays or 53 Tuesdays or 53 Thursdays is
1/7
2/7
3/7
4/7