# Quiz-1

Question 1

Time: 00:00:00
A bag contains 3 red,5 yellow, and 4 green balls. 3 balls are drawn randomly. what is the probability that the ball drawn contains no yellow ball?

9/44

9/44

37/44

37/44

43/44

43/44

7/44

7/44

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Question 2

Time: 00:00:00
There are 4 boys and 3 girls. they sit in arrow randomly.what is the probability that all girls are together?

1/14

1/14

2/14

2/14

5/14

5/14

3/14

3/14

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Question 3

Time: 00:00:00
A positive integer is selected at random and is divided by 7,what is the probability that the remainder is 1?

3/7

3/7

4/7

4/7

1/7

1/7

2/7

2/7

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Question 4

Time: 00:00:00

3 individuals john wright, Greg Chappell, and Gary Kristen are in the race for the appointment of the new coach of team India. The probabilities of their appointment are 0.5, 0.3, and 0.2 respectively. If john wright is appointed then the probability of Ganguly appointed as a captain will be 0.7 and corresponding probability if Greg Chappell or Gary Kristen is appointed are 0.6 and 0.5 respectively. find the overall probability that Ganguly will appoint as a captain.

0.63

0.63

0.35

0.35

0.18

0.18

0.89

0.89

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Question 5

Time: 00:00:00
If two fair dice are thrown simultaneously. then what is the probability that sum of the numbers appearing on the top faces of the dice is less than 4?

6/14

6/14

1/12

1/12

3/18

3/18

none

none

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Question 6

Time: 00:00:00
A bag contains 4 white, 5 red, and 6 blue balls. Three balls are drawn at random from the bag. The probability that all of them are red is:

2/91

2/91

1/22

1/22

3/22

3/22

2/77

2/77

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Question 7

Time: 00:00:00
A box contains 20 electric bulbs, out of which 4 are defective. Two bulbs are chosen at random from this box. The probability that at least one of these is defective is:

4/19

4/19

7/19

7/19

12/19

12/19

21/95

21/95

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Question 8

Time: 00:00:00
In a class, 30% of the students offered English, 20% offered Hindi, and 10% offered both. If a student is selected at random, what is the probability that he has offered English or Hindi?

2/5

2/5

3/4

3/4

3/5

3/5

3/10

3/10

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Question 9

Time: 00:00:00
A box contains 6 red balls, 7 green balls, and 5 blue balls. Each ball is of a different size. The probability that the red ball being selected is the smallest red ball, is

1/18

1/18

1/3

1/3

1/6

1/6

2/3

2/3

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Question 10

Time: 00:00:00
If A and B are 2 independent events and P(A)=0.5 and P(B) = 0.4, find P(A/B):

0.5

0.5

0.4

0.4

0.88

0.88

None of these

None of these

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