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1
Two coins are thrown simultaneously. Find all the possible outcomes of the experiment.
{HH , TT, HH, TT}
{TT , TH , TT, HH}
{ HH, HT , TH , TT}
{HT , TH, HH, HT }
2
In a cricket match, a batsmen hits the boundary on 4 out of 25 balls he plays. The probability that he hits the boundary on a ball he plays is
21/25
4/25
6/25
22/25
3
A coin is tossed 500 times. Head appears 300 times and tail appears 200 times. If the coin is tossed again the probability of Not getting a tail is
1/3
3/5
3/2
3/121
4
An unbiased wheel with numbers 1- 9 is rotated. Find probability of getting any number out of 1, 3, 5.
5
There are 5 green 7 red and 2 black balls. If a ball is picked at random what is the probability that it is a green ball.
6
How many favourable outcomes are there for a girl to become a class representative , when there are 15 girls and 10 boys to choose from ?
10
15
25
7
Two dice one red and one white are thrown simultaneously.Find the possible outcomes.when we have 2 on the red dice
(2,1) (2,2) (2,3) (2,4) (2,5) (2,6)
(2,1) (2,2) (2,2) (2,4) (2,5) (2,6)
(2,1) (2,2) (2,3) (2,4) (2,6) (2,6)
(2,1) (2,2) (2,3) (2,5) (2,5) (2,6)
8
If a dice is rolled, what is the probability of getting a prime number.
6/3
28/6
3/6
4/6
9
Both Mohan and Rohan start their work during a month , starting with letter J . what is the probability that the months are different ?
2/3
0
How many favourable outcomes are there for drawing red or a blue ball from a bag that contain 100 red balls, 30 blue balls and 50 black balls ?
150
130
30
180
11
In an election, there are 135 male candidates and 105 female candidates. The probability that a female candidate will win the election is
7/9
9/15
16/7
7/16
12
Madhu 's birthday falls in the month of january . her best friend also falls in the same month . what is the probability that their birthdays are on the same day ?
1/31
30/31
1/30
29/30
13
A dice is rolled once. The probability of getting a number greater than 6 is
5/6
1/6
14
A dice is rolled and a coin is tossed. What is the probability of getting a head and an even number ?
1/2
1/4
3/4
What is the probability that a leap year has 53 sundays or 53 mondays ?
1/7
2/7
3/7
4/7
16
The following frequency distribution table shows the weights of 38 student of a class.
Find the probability that the weight of a student in the class is:at most 60 kg.
17
Write the probability of an impossible event:
0.25
0.5
18
John told his friend that his date of birth is a prime number in the month of february of a leap year and asked him to guess his date of birth . what is the probability that he will guess the correct date ?
1/10
11/29
10/29
10/28
19
The score of a batsman in 80 ODI's is as follows:
What is the probability that in the next match the batsman will score at least 70 runs?
None of these
20
If the odds against an event are 4:5. The probability of the event is_______________.