Mathematics Permutations Combinations and Probability Online Test

Q: How can I prepare for Mathematics Permutations Combinations and Probability Online Test?

You can prepare for Mathematics Permutations Combinations and Probability Online Test by attempting the free online quizzes at Gotest.com.pk. We provide instant results, performance reports, and detailed explanations for every question.

Question 1

1. The number of significant numbers which can be formed by using any number of the digits 0, 1, 2, 3, 4 but using each not more than once in each number is

Question 2

2. If A is an impossible event then P(A) = ?

Question 3

3. In how many ways can the letters of the word ‘LEADER’ be arranged?

Question 4

4. 5 unbiased coins are tossed simultaneously. The probability of getting at least one head is

Answer

None of these

Question 5

5. $Math 7. 01$

Question 6

6. A bad contains 3 white, 4 black and 2 red balls. If 2 balls are drawn at random, then the probability that both the balls are white is

Answer

None of these

Question 7

7. The number of words that can be formed out of the letters of the word BANNU is

Answer

All of these

Question 8

8. n(n–1)/3.2.1 =

Answer

(n – 2)!/3!n!

Answer

n!/3!(n–2)!

Answer

3!(n–2)!/n!

Question 9

9. An arrangement of a finite number of objects taken some or all at a time is called their

Answer

Combination

Answer

Permutation

Question 10

10. A card is drawn from a pack of cards numbered 1 to 52, the probability that the number on the card is a perfect square is

Answer

None of these

Question 11

11. Three dice are thrown together. The probability of getting a total of at least 6 is

Answer

None of these

Question 12

12. If probability of bulb being defective is 0.2. estimate how many defective bulb there would be in 600 bulbs

Question 13

13. The letters of the CHORD taken all at a time can be written in

Question 14

14. If ⁿC₁₂ = ⁿC₆ the value of n is

Question 15

15. In different objects can be arranged taken all at a time in

Answer

(n – 1)! Ways

Answer

(n + 1)! Ways

Answer

(2n)! ways

Question 16

16. The value of n, when ⁿP₂ = 20 is

Question 17

17. ⁶P₄ is equal to

Question 18

18. If n is any positive integer, then

Answer

n! – n(n + 1)!

Answer

(n + 1)! = (n + 1)(n – 1)!

Answer

n! – n (n – 2)!

Answer

(n+1)! = (n + 1) n!

Question 19

19. If probability of rain today is 1/3 what is probability of not rain today?

Answer

None of these

Question 20

20. The sample space for tossing a coin once is

Question 21

21. The letters of the JUNE taken all a t a time can be written in

Question 22

22. Two balanced dice are tossed once, the sample space when the integers on the faces of two dice are the same is

Answer

{(1, 1),(2, 2),(3, 3),(4, 4),(5, 5),(6, 6)}

Answer

{(4, 4),(5, 5),(6, 6)}

Answer

None of these

Answer

{(1, 1),(2, 2),(3, 3)}

Question 23

23. 6P1 is equal to

Question 24

24. The probability of getting 5, when one dice is called

Question 25

25. What is the probability to get a block jack from a well shuffled pack of playing cards?

Question 26

26. Events A, B and C are equally likely when

Answer

P(A) + P(B) = P(C)

Answer

P(A) = P(B) + P(C)

Answer

P(B) = P(A) + (PC)

Answer

P(A) = P(B) = P(C)

Question 27

27. If A and Bare mutually exclusive then P(AUB) = ?

Answer

P(A) + P(B) – P(AUB)

Answer

P(A) + P(B)+P(AUB)

Answer

P(A) + P(B) – P(A∩B)

Answer

P(A) + P(B)

Question 28

28. If 4 ⁶Pᵣ = ⁶Pᵣ₊₁, then r is equal to

Question 29

29. An unbiased die is thrown. Then the probability of getting a prime is

Answer

None of these

Question 30

30. 5 persons can be seated at a round table in

Answer

None of these

Question 31

31. A function whose domain is the set of natural numbers is called the

Answer

Identity function

Answer

Onto function

Question 32

32. A coin is tossed. If head comes up, a die is thrown but if tail comes up, the coin is tossed again. The probability of obtaining a head and an even number is

Answer

None of these

Question 33

33. $Math 7. 02$

Question 34

34. If n (E₁) = 18 and n (E₂) = 6 and n (5) = 36 also E₁ and E₂ are independent then P(E₁ ∩ E₂) = ?

Answer

None of these

Question 35

35. The value of ⁵C₂ is

Question 36

36. (n + 2)(n + 1) n =

Answer

(n+2)!/(n–1)

Answer

(n – 1)!/(n+2)

Question 37

37. ⁴C₄ = ?

Answer

None of these

Question 38

38. The probability that a 3 – digit no. chosen at random divisible by 5 is

Question 39

39. Two unbiased dice are thrown. The probability that the total score is > 5 is

Question 40

40. Two cards are drawn at random from a well shuffled pack of cards. The probability that at least one of them is a face card is

Question 41

41. 19!/19!(19–19)! = ?

Answer

None of these

Question 42

42. 1/20.19.18.17 =

Question 43

43. In how many ways can 7 keys be arranged in a circular key ring

Question 44

44. A number is selected at random form the three digit numbers, the probability that the number is divisible by 4 is

Question 45

45. From a group of 7 men and 6 women, five persons are to be selected to form a committee so that at least 3 men are there on the committee. In how ways can it be done?

Question 46

46. The number of permutations of the n objects of which there are p like objects of one kind, q like objects of the second kind nd r like objects of the third kind are

Answer

n!/q!q!ϒ!

Question 47

47. How many signals can be given with three different flags when any number of them may be used

Question 48

48. There dice are thrown simultaneously find the probability to get greatest sum of dost?

Answer

None of these

Question 49

49. (n+1)n(n–1)/3.2.1 =

Answer

3!(n–2)/(n+1)

Answer

(n+1)/3!(n–2)

Question 50

50. 6.5.4 =

Question 51

51. Six boys and 3 girls are to be seated at random, in a row, for a photograph. The probability that no two girls will sit together is

Question 52

52. The number of words that can be formed out of the letters of the word PHYSICS is

Question 53

53. All letters of the word “AGAIN” are permuted in all possible ways and the words so formed (with or without meaning) are written as in dictionary, then the 50th word is:

Question 54

54. The letters of the LAHORE taken all at a time can be written in

Question 55

55. ⁴C₄ has the value equal to

Answer

None of these

Question 56

56. Three unbiased coins are tossed. Then the probabilities of getting two heads is

Answer

None of these

Question 57

57. A die is rolled, what is the probability of getting a number which is even and greater than 2?

Answer

None of these

Question 58

58. The number of words that can be formed out of the letters of the word MATHEMATICS is

Answer

2!2!2!/11!.

Answer

11!/2!.2!.2!.

Answer

11!/2!2!2!.

Question 59

59. Factorial of -2 =

Answer

None of these

Question 60

60. Two dice are thrown simultaneously find the probability that the sum of the dots of the dice is a prime no?

Question 61

61. There are 25 tickets bearing numbers from 1 to 25. One ticket is drawn at random. The probability that the number on it is a multiple of 5 or 6 is

Answer

None of these

Question 62

62. ⁶P₃ =

Question 63

63. Four cards are drown at random from a pack of 52 playing cards. The probability of getting all the four cards of the same suit is

Answer

None of these

Question 64

64. ⁿPᵣ =

Answer

n!/(n–r)!r!

Answer

(n–r)!/n!

Answer

n!/(n–r)!

Answer 57

British mathematician

Answer 58

German mathematician

Answer 59

French mathematician

Answer 60

American mathematician

Answer 61

None of these

Total Questions:	74
Time Allowed:	40 Minutes
Total Marks:	74
How to Attempt Test:	Please choose the right Option in MCQ-type question.
Test Helpful For:	ECAT Entry Test Math Online Test Interview Questions about Math All Universities Entrance Test Recruitments Tests

Mathematics Permutations Combinations and Probability Online Test

Important Math Permutations Combinations and Probability Question and Answer

Math Permutations Combinations and Probability Practice Test Online With Explanation

Math

M-CAT-Q

How to Score High in Mathematics Permutations Combinations and Probability Online Test?

Key Preparation Tips:

More Related Resources

Maan Ali

7 Comments

Leave a Reply Cancel reply

Important Math Permutations Combinations and Probability Question and Answer

Math Permutations Combinations and Probability Practice Test Online With Explanation

Math

M-CAT-Q

How to Score High in Mathematics Permutations Combinations and Probability Online Test?

Key Preparation Tips:

More Related Resources

Latest Updates

Maan Ali

7 Comments

Leave a Reply Cancel reply