Probability Mathematics Questions

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Here is solved Mcq’s related to MathematicsPortion. Each has near to 50 Mcq’s which are related to basics. Answer of these Mcq’s is given with each Mcq.

Probability Questions

 

1. When a dice is rolled the probability of prime number and including number 1 is
A. 5?6 B. 1?2
C. 3?4 D. 2?3

Answer: Option D
2. When three coins are tossed then the total number of out comes is?
A. 2 B. 2
C. 2 D. 2?

Answer: Option C
3. When four dice are rolled then total outcomes are.
A. 6 B. 6
C. 6 D. 6?

Answer: Option D
4. Which of the following is true about the probability of an event A.
A. P(A) ?o B. P(A) =1.5
C. P(A) ?0 D. P(A) = -0.5

Answer: Option C
5. W.r.t probability which one is false
A. P(A) = 0 B. P(K) = 1
C. P(K) ?0 D. P(K) > 1

Answer: Option D
6. When a coin is tossed the probability of tail is
A. 0 B. 1
C. 1?2 D. 2

Answer: Option C
7. If we list numbers from 1 to 15 the number divisibly by 2 are
A. 2 B. 5
C. 7 D. 15?2

Answer: Option C
8. A card is slipped out of 15 cards numbered 1 2 3 4 ———-15 the probability of a card number that is divisible by 2 is.
A. 1?2 B. 1?7
C. 7?10 D. 7?15

Answer: Option D
9. Two white and six red balls are placed in a bag. A ball is drawn at random from the bag and its color is noted and the ball is replaced again a ball is drawn from the bag. What is the probability that both the balls are of different color?
A. 1?16 B. 3?16
C. 13?16 D. 3?7

Answer: Option D
10. When three coins are tossed at a time or a coin is tossed three times the probability of getting at least one head is
A. 3?8 B. 4?8
C. 6?8 D. 7?8

Answer: Option D
11. In same case at most one head appear is
A. 1?8 B. 2?8
C. 3?8 D. 1?2

Answer: Option D
12. When three coins are tossed the probability of getting at the most one tail is:
A. 1?8 B. 3?8
C. 1?2 D. 1

Answer: Option C
13. One slip is randomly drawn from a box containing ten slips numbered 1 2 3 4 ——– 10 the probability of a slip numbered seven is
A. 7?10 B. 1?7
C. 0 D. 1?10

Answer: Option D
14. In question no 14 the probability of slip of odd number is
A. 1?5 B. 1?2
C. 9?10 D. 7?10

Answer: Option B
15. In question no 14 the probability of slip that does not have even number is
A. 9?10 B. 7?10
C. 1?5 D. 1?2

Answer: Option D
16. In question no 14 the probability of slip of number less than 5
A. 2?5 B. 1?5
C. 3?5 D. 1

Answer: Option A
17. In question no 14 Slip of number higher than 10.
A. 0 B. 10
C. 1 D. 1?2

Answer: Option A
18. In question no 14 the probability of slip of even or odd number.
A. 1?2 B. 0
C. 1 D. 2 or 3

Answer: Option C
19. There are 40 students in a class of which 25 are boys and 15 are girls the teacher Sir Abid writes the name of each student on slip of papers. What is the probability that the name on the slip is of a boy.
A. 5?8 B. 3?8
C. 3?5 D. 0

Answer: Option A
20. What is the probability of selecting a prime number from a list of natural number from 1 —-33 both inclusive if every number has equal chance of being selected.
A. 1?8 B. 1?33
C. 15?33 D. 1?3

Answer: Option D
21. The probability that an egg will be broken during delivery from a supermarket to KIPS is 1/200. How many broken eggs would be there out of 800 eggs?
A. 50 B. 30
C. 10 D. 4

Answer: Option D
22. In a light bulb factory it is found that the probability of a bulb being defective is 0.12 estimate how many defective bulbs there would be in 1000 bulb.
A. 12 B. 120
C. 102 D. 1000

Answer: Option B
23. When a dice is rolled the probability of a number which is even and greater than 4.
A. 0 B. 1?4
C. 1?6 D. 1?9

Answer: Option C
24. A bag containing 4 white balls 3 black and 5 blue balls. What is the probability of getting blue or black ball?
A. 1?6 B. 2?3
C. 5?12 D. 3?5

Answer: Option B
25. A bag contains 30 balls the probability of drawing a pink ball and white ball are 1/5 and 1/6 resp. What is the probability of black balls?
A. 8?15 B. 1?2
C. 17?30 D. 19?30

Answer: Option D
26. A boy buys crates of drink at Rs. 75 per crate and sells each for Rs. 90. What is the expected profit per crate, if probability of sale is 5/6?
A. 12.5 B. 15
C. 17.5 D. 20

Answer: Option A
27. In above question what is the expected loss to the poor boy if it is not sold or returned back?
A. 20 B. 17.5
C. 15 D. 12.5

Answer: Option D
28. The probability that your friend was born in January June or July is 1/4 what is the probability that he was not born in a month that starts with letter J?
A. 1?4 B. 1?2
C. 3?4 D. 1

Answer: Option C
29. The probability that a certain team wins a football match is 0.7 the probability of a lie is 0.1 what is the probability of the team losing?
A. 1?7 B. 1?5
C. 7?10 D. 2?3

Answer: Option B
30. Pakistan is playing a cricket match against Australia. If the probability that Pakistan will win is 4/11 and that of Australia will win is 2/11. What is the probability that match will be draw.
A. 5?11 B. 6?11
C. 9?11 D. 10?11

Answer: Option A

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