HSBC Probability and Permutation and Combination Questions and Answers Quiz-1

Question 1

Time: 00:00:00
A bag contains 6 white and 4 black balls .2 balls are drawn at random. Find the probability that they are of same colour.

1/2

1/2

7/15

7/15

8/15

8/15

1/9

1/9

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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 black or both are queen?

52/221

52/221

55/190

55/190

55/221

55/221

19/221

19/221

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Question 3

Time: 00:00:00
Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5?

1/2

1/2

3/5

3/5

9/20

9/20

8/15

8/15

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Question 4

Time: 00:00:00
Two dice are tossed. The probability that the total score is a prime number is:

5/12

5/12

1/6

1/6

1/2

1/2

7/9

7/9

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Question 5

Time: 00:00:00
A man and his wife appear in an interview for two vacancies in the same post. The probability of husband's selection is (1/7) and the probability of wife's selection is (1/5). What is the probability that only one of them is selected ?

2/7

2/7

1/7

1/7

3/4

3/4

4/5

4/5

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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
In a lottery, there are 10 prizes and 25 blanks. A lottery is drawn at random. What is the probability of getting a prize?

2/7

2/7

5/7

5/7

1/5

1/5

1/2

1/2

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Question 8

Time: 00:00:00
Find the sum of all the 4 digit numbers that can be formed with the digits 3, 4, 5 and 6

119988

119988

11988

11988

191988

191988

None of these

None of these

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Question 9

Time: 00:00:00
Find the sum of all the 4 digit numbers that can be formed with the digits 3, 4, 4 and 2.

43339

43339

43999

43999

43329

43329

None of these

None of these

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Question 10

Time: 00:00:00
The number of straight lines that can be drawn out of 12 points of which 8 are collinear is

39

39

29

29

49

49

59

59

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["0","40","60","80","100"]
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