Math Permutations Combinations & Probability Test Mcqs Online Math Permutations, Combinations & Probability Test Mcqs Online Preparation Online With Answers Start Below 123456789101112131415Show paginator Hide paginator 7% Question 1 of 15 1. For a negative integer n , the factorial n! A. Does not exist B. Is 0 C. Is unique D. Is 1Question 1 of 15 Loading... Question 2 of 15 2. The letters of the LAHORE taken all at a time can be written in A. 6 Ways B. 2 Ways C. 720 WaysD. 24 Ways Question 2 of 15 Loading... Question 3 of 15 3. 9.8.7.6 = A. 3! B. 9!/5! C. 1 D. 5!/9! Question 3 of 15 Loading... Question 4 of 15 4. 1/20.19.18.17 = A. 1/16! B. 20!C. 20!/16! D. 16!/20! Question 4 of 15 Loading... Question 5 of 15 5. n(n-1)(n-2)(n-3)…(n-r+1)= A. (n-2)!/3!n! B. n!/(n-r)! C. n!/r! D. n! r! Question 5 of 15 Loading... Question 6 of 15 6. 5! = A. 5 B. 0 C. 120 D. 140 Question 6 of 15 Loading... Question 7 of 15 7. (n+1)n(n-1)/3.2.1 = A. (n -2)! B. (n+1)/3!.(n-2) C. (n+1)! D. 3!.(n-2)/(n+1)!Question 7 of 15 Loading... Question 8 of 15 8. The letters of the JUNE taken all at a time can be written in A. 120 WaysB. 24 Ways C. 2 Ways D. 6 WaysQuestion 8 of 15 Loading... Question 9 of 15 9. 0! = A. 2 B. 1 C. -1 D. 0 Question 9 of 15 Loading... Question 10 of 15 10. 10.9/2.1 = A. 10!/2!8! B. 2!8! C. 1/10! D. 10!Question 10 of 15 Loading... Question 11 of 15 11. The factorial of a positive integer n is A. n! = n (n - 1)! (n - 2)! B. n! = n (n - 1) ! C. n! = n (n - 2)! D. n! = n (n + 2)! Question 11 of 15 Loading... Question 12 of 15 12. 6!/8! = A. 56 B. 65 C. 1/65 D. 1/56 Question 12 of 15 Loading... Question 13 of 15 13. The letters of the LINE taken all at a time can be written in A. 6 Ways B. 2 Ways C. 24 Ways D. 120 WaysQuestion 13 of 15 Loading... Question 14 of 15 14. 1/(n+2)(n+1)n = A. n! B. (n+2)!/ (n-1)! C. (n+2)! D. (n-1)!/(n+2)! Question 14 of 15 Loading... Question 15 of 15 15. (n+2)(n+1)n= A. (n+2)!/ (n-1)!B. n! C. (n+2)! D. (n-1)!/(n+2)! Question 15 of 15 Loading... Loading... Related Study Posts:Math Test Preparation OnlineASF Written Test Preparation Online McqsFPSC SST Test Preparation Mcqs OnlineOnline ECAT Test Preparation McqsPPSC Lecturer Test Preparation Online McqsLecturer Test KPPSC Preparation Mcqs OnlineSPSC SST Test Preparation Mcqs Online with SyllabusFPSC Test Preparation Mcqs Online Subject WiseIB Pakistan NTS Jobs 2025 Online Test Preparation McqsMDCAT Test Preparation Online Related Syllabus Mcqs