Cognizant Probability Quiz-1

Question 1

Time: 00:00:00
If the probability that A will live 15 yr is 7/8 and that B will live 15 yr is 9/10, then what is the probability that both will live after 15 yr ?

1/20

1/20

63/80

63/80

1/5

1/5

None of these

None of these

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 2

Time: 00:00:00
A bag contains 8 red and 5 white balls. 2 balls are drawn at random. What is the probability that both are white ?

1/39

1/39

5/39

5/39

1/9

1/9

1

1

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 3

Time: 00:00:00
Three unbiased coins are tossed. What is the probability of getting at most 2 heads ?

1/4

1/4

3/8

3/8

7/8

7/8

1/2

1/2

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 4

Time: 00:00:00
A brother and sister appear for an interview against two vacant posts in an office. The probability of the brother's selection is 1/5th and that of the sister's selections is 1/3rd. What is the probability that one of them is selected?

1/5

1/5

2/5

2/5

1/3

1/3

2/3

2/3

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 5

Time: 00:00:00
Four whole number taken at random are multiplied together. The chance that the last digit of the product is 1, 3, 7, or 9 is ?

4/625

4/625

16/625

16/625

1/625

1/625

2/625

2/625

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 6

Time: 00:00:00
The probability that a card is drawn from a pack of 52 cards will form a pack of 52 cards will be diamond or king being in?

4/13

4/13

5/13

5/13

8/13

8/13

4/25

4/25

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 7

Time: 00:00:00
The probability of getting heads in both trials when a balanced coin is tossed twice will be?

1/4

1/4

1/2

1/2

1

1

3/4

3/4

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 8

Time: 00:00:00
From a basket that contains 3 apples, 2 bananas, and 6 pineapples, find out the probability that that the chosen fruit is an apple.

4/11

4/11

3/11

3/11

5/12

5/12

None of these

None of these

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 9

Time: 00:00:00
The probability of drawing a red card from a deck of playing cards is

2/18

2/18

1/13

1/13

1/4

1/4

1/2

1/2

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 10

Time: 00:00:00
When two dice are rolled, what is the probability that the sum of the numbers appeared on them is 11?

5/16

5/16

2/18

2/18

3/18

3/18

1/18

1/18

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

["0","40","60","80","100"]
["Need more practice! \r\n \r\n","Keep trying! \r\n \r\n","Not bad! \r\n \r\n","Good work! \r\n \r\n","Perfect! \r\n \r\n"]

Personalized Analytics only Availble for Logged in users

Analytics below shows your performance in various Mocks on PrepInsta

Your average Analytics for this Quiz

Rank

-

Percentile

0%

Completed

0/0

Accuracy

0%

Prime Video

PrepInsta Prime Video

Complete Video for Cognizant

(for Cognizant)
Get Prime Video

Prime Mock

PrepInsta Prime Mock

Topic wise Full Mock and much more

(for Cognizant)
Get Prime Mock

Comments