JavaScript is disabled on your browser. Enable JavaScript to use this site. Learn more

Normal type of MCQ with one correct option
The number of all possible matrices of order 3 × 3 with each entry 0 or 1 is

18

512

81

none of these

Normal type of MCQ with one correct option A square matrix A is called idempotent if

A2 = I

A2 = O

2A = I

A2 = A

an invertible matrix

an idempotent matrix

a nilpotent matrix

none of these

Normal type of MCQ with one correct option If A and B are symmetric matrices of the same order, then

AB is symmetric matrix

A(B is a skew-symmetric matrix

AB + BA is a symmetric matrix

AB ( BA is a symmetric matrix

/

A,B

B

C,D

A,B & D

(a2+b2c2)

(ab+bc+ac)

a2+b2 - c2

(a-c)(b-c).

/

A

B

C

A+B+C

2

-2

4

-4

Both A and R are true and R is correct explanation of A

Both A and R are true and R is not correct explanation of A

A is true, R is false

A is false, R is true

18

512

81

none of these

Normal type of MCQ with one correct option A square matrix A is called idempotent if

A2 = I

A2 = O

2A = I

A2 = A

an invertible matrix

an idempotent matrix

a nilpotent matrix

none of these

Normal type of MCQ with one correct option If A and B are symmetric matrices of the same order, then

AB is symmetric matrix

A(B is a skew-symmetric matrix

AB + BA is a symmetric matrix

AB ( BA is a symmetric matrix

/

A,B

B

C,D

A,B & D

(a2+b2c2)

(ab+bc+ac)

a2+b2 - c2

(a-c)(b-c).

/

A

B

C

A+B+C

2

-2

4

-4

Both A and R are true and R is correct explanation of A

Both A and R are true and R is not correct explanation of A

A is true, R is false

A is false, R is true

Brilliant Institute of Advance Studies, Chandigarh offers a complete test series for IIT JEE and PMT preparation for FREE at WiZiQ.com. This series constitutes 11 modules of each subjects +1 and +2 of all subjects Physics, Chemistry, Mathematics and Biology. The pattern of each test comprises all the types of objective questions of IIT JEE and AIPMT (MCQ with one or more correct option, Comprehension, Assertion-Reason, Match Matrix etc). This is the FREE Module test 3 of +2 Mathematics; the covered chapter is Matrices n Determinants. Keep checking for Exclusive Paid Test series for IIT JEE and AIPMT from us at a very nominal cost at WiZiQ.com Happy Learning; all the best!

start to crack exam easily for reasoning here.

http://studyoverflow.com/reasoning/

focused only get marks.

178 days 9 hours 8 minutes ago

I did not understand how it done........... Plz explain???????

1413 days 7 hours 27 minutes ago

idempotent law is used in chapters like logic,boolean algebra.for multiplacation of nambers

1548 days 7 hours 25 minutes ago

idempotent matrices are matrices where matrix for A(say),

A^2=A

1048 days 9 hours 53 minutes ago

**
IIT JEE / PMT Test Series : Module 7 : +1 : Chemistry : Chemical Equilibrium**

10 Questions
| 1395 Attempts

**
IIT JEE / PMT Test Series : Module 4 : +1 : Physics : Work, Power & Energy**

10 Questions
| 3026 Attempts

**
IIT JEE / PMT Test Series : Module 3 : +1 : Chemistry : Classification of Elements **

10 Questions
| 951 Attempts

Post Cancel