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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

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

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start to crack exam easily for reasoning here.

http://studyoverflow.com/reasoning/

focused only get marks.

324 days 22 hours 3 minutes ago

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

1559 days 20 hours 22 minutes ago

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

1694 days 20 hours 20 minutes ago

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

A^2=A

1194 days 22 hours 48 minutes ago

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