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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

none of these

81

512

18

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

A2 = A

2A = I

A2 = O

A2 = I

none of these

a nilpotent matrix

an idempotent matrix

an invertible matrix

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

AB ( BA is a symmetric matrix

AB + BA is a symmetric matrix

A(B is a skew-symmetric matrix

AB is symmetric matrix

/

A,B & D

C,D

B

A,B

(a-c)(b-c).

a2+b2 - c2

(ab+bc+ac)

(a2+b2c2)

/

A+B+C

C

B

A

-4

4

-2

2

A is false, R is true

A is true, R is false

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

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

none of these

81

512

18

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

A2 = A

2A = I

A2 = O

A2 = I

none of these

a nilpotent matrix

an idempotent matrix

an invertible matrix

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

AB ( BA is a symmetric matrix

AB + BA is a symmetric matrix

A(B is a skew-symmetric matrix

AB is symmetric matrix

/

A,B & D

C,D

B

A,B

(a-c)(b-c).

a2+b2 - c2

(ab+bc+ac)

(a2+b2c2)

/

A+B+C

C

B

A

-4

4

-2

2

A is false, R is true

A is true, R is false

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

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

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start to crack exam easily for reasoning here.

http://studyoverflow.com/reasoning/

focused only get marks.

78 days 3 hours 45 minutes ago

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

1313 days 2 hours 4 minutes ago

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

1448 days 2 hours 2 minutes ago

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

A^2=A

948 days 4 hours 29 minutes ago

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