1
Given two events A and B. If odds against A are as 2:1 and those in fa ...
Probability
2
The probability that a marksman will hit a target is given as 1/5. The ...
Probability
3
A six-faced dice is so biased that it is twice as likely to show an ev ...
Probability
4
A student appears for tests I, II and III. The student is successful i ...
Probability
5
A problem in mathematics is given to three students A, B, C and their ...
Probability
6
The probability that in a family of 5 members, exactly two members hav ...
Probability
7
Three houses are available in a locality. Three persons apply for the ...
Probability
8
The numbers 1, 2, 3, ..., n are arranged in random order. The probabil ...
Probability
9
A die is thrown a fixed number of times. If probability of getting eve ...
Probability
10
A pair of four dice is thrown independently three times. The probabili ...
Probability
11
Five horses are in a race. Mr. A selects two of the horses at random a ...
Probability
12
Words from the letters of the word PROBABILITY are formed by taking al ...
Probability
13
A class consists of 80 students, 25 of them are girls and 55 are boys. ...
Probability
14
Let A, B, C, D be independent events such that P(A)=1/2, P(B)= 1/3, P( ...
Probability
15
A sample space consists of 3 sample points with associated probabiliti ...
Probability
16
South African cricket captain lost the toss of a coin 13 times out of ...
Probability
17
Events A and C are independent. If the probabilities relating A, B and ...
Probability
18
There are only two women among 20 persons taking part in a pleasure tr ...
Probability
19
Let A and B be two events. Suppose P(A)=0.4, P(B)= p and P(A U B)=0.7. ...
Probability
20
Five different games are to be distributed among 4 children randomly. ...
Probability
21
A drawer contains 5 brown socks and 4 blue socks well mixed. A man rea ...
Probability
22
Two dices are rolled one after the other. The probability that the num ...
Probability
23
A natural number is chosen at random from the first 100 natural number ...
Probability
24
A four-figure number is formed of the figures 1, 2, 3, 5 with no repet ...
Probability
25
Twelve balls are distributed among three boxes. The probability that t ...
Probability
26
A box contains 2 black, 4 white and 3 red balls. One ball is drawn at ...
Probability
27
A cricket club has 15 members, of whom only 5 can bowl. If the names o ...
Probability
28
Three integers are chosen at random from the first 20 integers. The pr ...
Probability
29
There are 20 cards. Ten of these cards have the letter 'I' printed on ...
Probability
30
The chance of an event happening is the square of the chance of a seco ...
Probability
31
If a party of n persons sit at a round table, then the odds against tw ...
Probability
32
The sum of two positive quantities is equal to 2n. The probability tha ...
Probability
33
A bag contains an assortment of blue and red balls. If two balls are d ...
Probability
34
Dialing a telephone number an old man forgets the last two digits reme ...
Probability
35
The probability that a teacher will give an unannounced test during an ...
Probability
36
A box contains tickets numbered from 1 to 20. Three tickets are drawn ...
Probability
37
An unbiased coin is tossed n times. If the probability that head occur ...
Probability
38
One ticket is selected at random from 100 tickets numbered 00, 01, 02, ...
Probability
39
Let A and B be two events such that P(A∩B')= 0.20, P(A'∪B)=0.15, P(A'∩ ...
Probability
40
A and B toss a fair coin each simultaneously 50 times. The probability ...
Probability
41
Cards are drawn one-by-one at random from a well-shuffled pack of 52 p ...
Probability
42
A father has 3 children with at least one boy. The probability that he ...
Probability
43
Two players toss 4 coins each. The probability that they both obtain t ...
Probability
44
In a game called 'odd man out' m(m > 2) persons toss a coin to determi ...
Probability
45
If a is an integer lying in [-5, 30], then the probability that the gr ...
Probability
46
2n boys are randomly divided into two subgroups containing n boys each ...
Probability
