# WeCP Probability Quiz 1

Question 1

Time: 00:00:00
A bag contains 8 white and 6 black balls. 2 balls are drawn at random. Find the probability that they are of the same colour.

43 / 91

43 / 91

47 / 93

47 / 93

57 / 91

57 / 91

None of the above

None of the above

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Question 2

Time: 00:00:00
Two cards are drawn at random from a pack of 52 cards. What is the probability that either both are red or both are king?

57 / 221

57 / 221

55 / 221

55 / 221

17  /221

17  /221

Can’t be determined

Can’t be determined

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Question 3

Time: 00:00:00
In a lottery, there are 15 prizes and 30 blanks. A lottery is drawn at random. What is the probability of getting a prize?

1 / 3

1 / 3

1 / 4

1 / 4

1 / 2

1 / 2

1

1

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Question 4

Time: 00:00:00
One card is drawn at random from a pack of 52 cards. What is the probability that the card drawn is a face card (Jack, Queen and King only)?

2 / 13

2 / 13

5 / 13

5 / 13

3 / 13

3 / 13

1 / 13

1 / 13

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Question 5

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

1 / 2

1 / 2

1 / 3

1 / 3

2 / 3

2 / 3

3 / 4

3 / 4

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Question 6

Time: 00:00:00
Two dice are thrown together .What is the probability that the sum of the number on the two faces is divided by 4 or 6.

7 / 18

7 / 18

14 / 35

14 / 35

8 / 17

8 / 17

none of the above

none of the above

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Question 7

Time: 00:00:00
What is the probability of getting 53 Mondays in a leap year?

1 / 7

1 / 7

3 / 7

3 / 7

2 / 7

2 / 7

1

1

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Question 8

Time: 00:00:00
A speaks truth in 75% of cases and B in 80% of cases. In what percentage of cases are they likely to contradict each other, narrating the same incident.

30

30

35

35

20

20

45

45

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Question 9

Time: 00:00:00
In a simultaneous throw of a pair of dice. Find the probability of getting the total more than 7.

5 / 13

5 / 13

5 / 12

5 / 12

6 / 13

6 / 13

7 / 15

7 / 15

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Question 10

Time: 00:00:00
What is the probability that a leap year has 53 Saturdays and 52 Sundays ?

1 / 7

1 / 7

2 / 7

2 / 7

1 / 4

1 / 4

2 / 3

2 / 3

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