Math Solved MCQS for PAF Education Instructor Test Preparation download in pdf. Free Math mock test for paf. Math practice test online for paf instructor.

1. √𝟑 is __________

Irrational

2. Product √−𝟐 × √−𝟐 is equal to _____

2

3. The property 𝟕. 𝟖 + (−𝟕. 𝟖) = 𝟎 is______

‘ + ’ inverse

4. A recurring decimal represents_____

Rational number

5. If 𝑨 ⊆ 𝑩 then 𝒏(𝑨 ∩ 𝑩) =

𝑛(𝐴)

6. Inverse of any element of a group is:

unique

7. Every function is:

Relation

8. A compound proposition which is always neither true nor false is called:

contingency

9. A compound proposition which is always wrong is called:

contradiction

10. If a matrix A has only one row then it is called:

Row vector

11. If a matrix A has only one column then it is called:

Column vector

12. If a matrix A has same number of rows and columns then A is called:

square matrix

13. The complex cube roots of unity are………………. each other.

Conjugate

14. The complex fourth roots of unity are ……. of each other.

Additive inverse

15. Synthetic division is a process of:

division

16. Degree of quadratic equation is:

2

17. A coin is tossed 5 times , then 𝒏(𝑺) is equal to:

32

18. The number of ways for sitting 4 persons in a train on a straight sofa is:

24

19. A “Triangle” has :

6 elments

20. When we look an object above the horizontal ray, the angle formed is called angle of:

Elevation

21. When we look an object below the horizontal ray, the angle formed is called angle of:

depression

22. A triangle which is not right is called:

Oblique triangle

23. All trigonometric functions are ……………….. functions.

Periodic

24. General solution of every trigonometric equation consists of :

infinitely many solutions

25. 17. If 𝒕𝒂𝒏𝒙 = 𝟎 then 𝒙 =

𝑛𝜋 , 𝑛 ∈ 𝑍