Mathematics Practice Test consist of math mcqs test papers. Test also consist of answers and each question explanations. These mcqs were uploaded on daily basis. So visit this page on daily basis for math best preparation

Q.01 How many conjugaccy classes in ?

A. 2

B. 3

C. 4

D. 5

**Check Answer**

**View Explanation**As

4=4

4=2+2

4=1+1+1+1

4=1+1+2

4=1+3

Option D is corect

Q.02 If G is abelian then G/z(G) is

A. Non cyclic

B. cyclic

C. Non abelian

D. None

**Check Answer**

Q.3 Let Z be the Ring Of integars the total number of Homomorphism From Z to Z is

A. 1

B. 3

C. 2

D. none of these

**Check Answer**

**View Explanation**Correct option is C

Q.4 Let R be the usual metric space and Z be the set of integer then the clouser of Z is

A. Z

B. R

C. Q

D. N

**Check Answer**

**View Explanation**Correct option is A

Q.5 If N is any Normal sub-group of then is

A. Abelien

B. Non cyclic

C Both a and b

D. None of these

**Check Answer**

**View Explanation**Q.6 If w is the imaginary cub root of unity then is

A. 128w

B. -128w

C. 128w²

D. -128w²

**Check Answer**

**View Explanation**So, Correct option is D

Q.7 Let G be a group then factor is

A. Cyclic

B. Normal

C Both a and b

D. None

**Check Answer**

**View Explanation**Q.8 if V is a vector and div V=0 then V is

A. Irrotational

B. Solenoid

C. Hermition

D. None of these

**Check Answer**

**View Explanation**and irrotational if curl V=0. So, Correct option is B

Q.9 Consider these two functions f(x) = x² and g(x) = 2x. What is the area between these two functions between the x values of 0 and 1?

A. 1/3

B. 2/3

C. 3/2

D. 3/4

**Check Answer**

**View Explanation**. So, Correct option is B

Q.10 The center of mass of semi-circular lamina y^2 = a^2+x^2 in the upper half lies on the

A. origin

B. x-axis

C. y-axis

D. non of these

**Check Answer**

**View Explanation**Semi Circular Means Half Circular Lamina is Filled Curve. So for Upper Half, it lies on Y axis.