# Math Permutations Combinations & Probability Test Mcqs Online

## Math Permutations, Combinations & Probability Test Mcqs Online Preparation Online With Answers Start Below

7%

Question 1 of 15

1. (n+1)n(n-1)/3.2.1 =
A.
B.
C.
D.

Question 1 of 15

Question 2 of 15

2. The letters of the WORD taken all at a time can be written in
A.
B.
C.
D.

Question 2 of 15

Question 3 of 15

3. For a negative integer n , the factorial n!
A.
B.
C.
D.

Question 3 of 15

Question 4 of 15

4. An arrangement of a finite number of objects taken some or all a time is called their
A.
B.
C.
D.

Question 4 of 15

Question 5 of 15

5. (n+2)(n+1)n=
A.
B.
C.
D.

Question 5 of 15

Question 6 of 15

6. n(n-1)/3.2.1 =
A.
B.
C.
D.

Question 6 of 15

Question 7 of 15

7. The letters of the JUNE taken all at a time can be written in
A.
B.
C.
D.

Question 7 of 15

Question 8 of 15

8. The factorial of a positive integer n is
A.
B.
C.
D.

Question 8 of 15

Question 9 of 15

9. 6!/8! =
A.
B.
C.
D.

Question 9 of 15

Question 10 of 15

10. n(n-1)(n-2)(n-3)…(n-r+1)=
A.
B.
C.
D.

Question 10 of 15

Question 11 of 15

11. 1/12.11.10 =
A.
B.
C.
D.

Question 11 of 15

Question 12 of 15

12. 9.8.7.6 =
A.
B.
C.
D.

Question 12 of 15

Question 13 of 15

13. n different objects can be arranged taken all at a time in
A.
B.
C.
D.

Question 13 of 15

Question 14 of 15

14. 10.9/2.1 =
A.
B.
C.
D.

Question 14 of 15

Question 15 of 15

15. 1/(n+2)(n+1)n =
A.
B.
C.
D.

Question 15 of 15

error: Content is protected !!