Probability Test

Result

Probability Test - 3

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Weekly Quiz Competition

Question 1
1 / -0

Two cards are drawn from a pack. The probability of getting a king and a queen is

A
8/666

B
4/663

C
2/663

D
None of these
Question 2
1 / -0

Tickets numbered from 1 to 20 are mixed up together and then a ticket is drawn at random. What is the probability that the drawn ticket has a number which is a multiple of 3 or 7?

A
2/5

B
13/20

C
7/20

D
3/20
Question 3
1 / -0

A bag contains 6 black, 9 white and 5 red balls. Three balls are drawn at random. What is the probability that the balls drawn are black?

A
1/6

B
1/15

C
2/5

D
None of these
Question 4
1 / -0

A pair of dice is thrown and the numbers appearing have sum greater than or equal to 10. The probability of getting a sum of 10 is

A
1/6

B
1/4

C
1/3

D
1/2
Question 5
1 / -0

In a collection of 6 Mathematics and 4 Physics books, the probability that 3 particular Mathematics books will be together, is

A
1/8

B
1/10

C
1/15

D
None of these
Question 6
1 / -0

Three identical dice are rolled. The probability that the same number will appear on each of them is

A
1/6

B
1/36

C
1/18

D
3/28
Question 7
1 / -0

Mean number of ' sixes' in four throws of a fair dice is

A
6/4

B
1/4

C
1

D
4/6
Question 8
1 / -0

A coin is tossed once. If a head comes up , then it is tossed again and if a tail comes up , a dice is thrown . The number of points in the sample space of experiment is

A
24

B
8

C
12

D
4

Solution

Sample Space is

S = { HH, HT, T1, T2, T3, T4, T5, T6 }

so number of outcomes in sample space is 8
Question 9
1 / -0

Five letters are sent to different persons and addresses on the five envelopes are written at random. The probability that all the letters reach the correct destiny is

A
44/120

B
1/120

C
1/5

D
None of these

User

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Re-Attempt Weekly Quiz Competition

Probability Test - 3

Result

Probability Test - 3

Score

-

Rank

-

SHARING IS CARING

Question 1

8/666

4/663

2/663

None of these

Question 2

2/5

13/20

7/20

3/20

Question 3

1/6

1/15

2/5

None of these

Question 4

1/6

1/4

1/3

1/2

Question 5

1/8

1/10

1/15

None of these

Question 6

1/6

1/36

1/18

3/28

Question 7

6/4

1/4

1

4/6

Question 8

24

8

12

4

Solution

Question 9

44/120

1/120

1/5

None of these

User

Question Analysis

My Perfomance

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