Mathematics Permutations Combinations and Probability Online Test

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Maan AliLast Updated: October 15, 2025

Start your preparation for Mathematics Permutations Combinations and Probability Online Test. This online test contains important MCQs from past papers. Attempting this test will help you prepare for Annual Exams and Entry Tests. Read the questions carefully and select the correct option below to see your result.

Important Math Permutations Combinations and Probability Question and Answer

Total Questions:	74
Time Allowed:	40 Minutes
Total Marks:	74
How to Attempt Test:	Please choose the right Option in MCQ-type question.
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Math Permutations Combinations and Probability Practice Test Online With Explanation

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Page 1 of 3

Math

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

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

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

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

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

2. 19!/19!(19–19)! = ?

Undefined

None of these

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

Sequence

Permutation

Combination

A.P

4. In a class of 100 students, 60 drink tea, 50 drink coffee and 30 drink both. A student from this class is selected at random. The probability that the student takes at last one of 2 drinks is

2/5

None of these

4/5

3/5

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

120

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

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

1/8

3/8

None of these

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

720 ways

6 ways

2 ways

24 ways

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

All of these

5!/2!

2!/5!

5!.2!

10. ⁶P₄ is equal to

360

11. ⁿPᵣ =

n!/(n–r)!

(n–r)!/n!

n!/(n+r)!

n!/(n–r)!r!

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

7/18

11/18

1/18

13/18

13. n(n–1)/3.2.1 =

3!(n–2)!/n!

n!/3!(n–2)!

(n – 2)!/3!n!

14. 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

356

410

260

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

720 ways

24 ways

6 ways

2 ways

16. 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

1/8

None of these

3/8

2/8

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

1/6

1/3

None of these

18. 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

2/13

None of these

7/52

1/13

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

None of these

1/216

1/18

18/216

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

24 ways

720 ways

6 ways

2 ways

21. 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

n!/q!q!ϒ!

n!/q!ϒ!

p!q!r!/n!

p!/q!ϒ!

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

(n + 2)!

(n – 1)!/(n+2)

(n+2)!/(n–1)

23.

24. 6.5.4 =

3!/6!

6!/3!

1/6!

25. Factorial of -2 =

-362880

None of these

40320

362880

Page 2 of 3

26. 1/20.19.18.17 =

1/16!

20!

16!/20!

20!/16!

27. 5 unbiased coins are tossed simultaneously. The probability of getting at least one head is

None of these

1/16

1/32

31/32

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

None of these

1/3

29. If n is any positive integer, then

(n + 1)! = (n + 1)(n – 1)!

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

n! – n(n + 1)!

n! – n (n – 2)!

30. ⁿPᵣ = ?

n/(n-r)

n!/(n-r)!

n!/(n+1)!

n!/(n+r)!

31. 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:

IAANG

NAAIG

INAGA

NAAGI

32. 5 persons can be seated at a round table in

None of these

24 ways

25 ways

20 ways

33. The value of ⁵C₂ is

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

Identity function

Series

Onto function

Sequence

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

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

11!/2³!

11!/2!2!2!.

2!2!2!/11!.

36. Probability theory was introduced by ___________

British mathematician

American mathematician

French mathematician

German mathematician

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

-1

∞

38. (n+1)n(n–1)/3.2.1 =

(n+1)/3!(n–2)

(n + 1)!

(n–2)!

3!(n–2)/(n+1)

39. ⁴C₄ has the value equal to

None of these

40. 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

1/12

5/12

7/12

1/6

41. 6P1 is equal to

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

720

360

1440

5040

43. 6!/8! =

1/65

1/56

44. The value of n, when ⁿP₂ = 20 is

45. 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

22/4165

44/4165

11/4165

None of these

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

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

720

360

144

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

1/12

None of these

22/36

49. 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

3/17

9/17

5/17

7/17

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

2!/7!

7/2

7!/2!

Page 3 of 3

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

4/9

5/12

7/36

5/9

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

1/13

2/13

1/26

3/13

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

None of these

2/3

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

1/6

1/3

1/5

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

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

P(A) + P(B) – P(AUB)

P(A) + P(B)

P(A) + P(B) – P(A∩B)

56. 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

1/18

1/12

None of these

1/36

57. The sample space for tossing a coin once is

{H, H}

{H, T}

{T}

{H}

58. From a group of 5 men and 3 women, a committee of 4 persons is to be selected randomly. The probability that there is a majority of men is

1/6

1/3

59. ⁶P₃ =

360

120

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

10/216

None of these

93/108

103/108

61.

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

1/7

1/5

1/3

1/10

63. ⁴C₄ = ?

None of these

124

250

64. 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?

735

645

756

564

65. 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

11/25

9/25

None of these

7/25

66. The number of words that can be formed out of the letters of the word MURREE is

2²!/6!

6!.2.2!

6!/2²!

6!/2!.2!

67. If ⁿC₁₂ = ⁿC₆ the value of n is

68. 8.7.6/3.2.1 =

10/2!8!

8!/3!5!

3!5!/8!

10!

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

(n + 1)! Ways

n! Ways

(2n)! ways

(n – 1)! Ways

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

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

None of these

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

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

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

1/16

1/8

72. 4! + 5! = ?

73. Riaz, Saba, Maria, Shehzad are to give speeches in a class. The teacher can arrange the order of their presentation in

24 ways

12 ways

4 ways

256 ways

M-CAT-Q

74. 0!

-1

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

Mastering scientific subjects requires conceptual clarity.

Key Preparation Tips:

Concepts First: Ensure you understand the underlying theories before attempting the MCQs.
Time Management: Attempt this online quiz multiple times to improve your speed.

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7 Comments

Anaya says:

February 11, 2022 at 2:28 pm

How i prepare msc math entry test

zohaib says:

July 29, 2017 at 12:37 am

i got 100%

Qasim Ali says:

July 15, 2017 at 11:29 pm

whats the right answer for this mcq’s arrangment of fintite number of objects taken some or all the time??? i have confusion with this

Karan Kumar says:

May 4, 2017 at 1:52 pm

I got 96%. Only 1 mistake.

umair ahmed says:

March 19, 2017 at 1:05 pm

92%

Aunali says:

July 31, 2016 at 11:37 am

i got 96%

AMEER HAMZA says:

July 21, 2016 at 9:01 pm

GREAT PEOPLE DOING THIER JOB IN THEV BEST POSSIBLE WAY

Important Math Permutations Combinations and Probability Question and Answer

Math Permutations Combinations and Probability Practice Test Online With Explanation

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M-CAT-Q

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

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