i5 academy -Matrices (MCQ-2)

JavaScript isn't enabled in your browser, so this file can't be opened. Enable and reload.

i5 academy -Matrices (MCQ-2)

* Previous year CBSE Board exam questions

Sign in to Google to save your progress. Learn more

Name *

School *

1) Assume X ,Y,Z,W and P are matrices of order 2x n , 3 x 2 , 2 x p , n x 3 and p x k , respectively. The restriction on n , k and p so that PY + WY will be defined are *

1 point

k=3 , p=n

k is arbitrary , p=2

p is arbitrary , k=3

k=2,p=3

2) Assume X ,Y,Z,W and P are matrices of order 2x n , 3 x 2 , 2 x p , n x 3 and p x k , respectively. If n=p , then the order of the matrix 7X-5Z is *

1 point

p x 2

2 x n

n x 3

p x n

3) from the given matrices find the value of α , when A + A' = I *

1 point

Captionless Image

π/6

π/3

π

3π/2

4) If A is a square matrix such that A^2 =I , then find the simplified value of (A-I)^3 +(A+I)^3 – 7A is *

1 point

A

I

5A

A^2

5) If A is a square matrix such that A^2 = A , then find the simplified value of 7A - (I+A)^3 , I is an identity matrix. *

1 point

A

I

-I

A^2

6) If A is a square matrix such that A^2 = A ,the write the value of (I+A)^2 -3A. *

1 point

A

I

-I

A^2

7) Find D , such that CD-AB=0 *

1 point

Captionless Image

Option 1

Option 2

Option 3

Option 4

8) Find the possitive value of x *

1 point

Captionless Image

4

-4

8

-8

9) Find the value of x *

1 point

Captionless Image

-2

2

3

1

10) Find the value of x + y + z *

1 point

Captionless Image

0

1

2

3

11) Find the value of x + y+ z *

1 point

Captionless Image

0

2

1

4

12) Find the matrix A , if *

1 point

Captionless Image

Option 1

Option 2

Option 3

Option 4

13) Find A^T - B^T

1 point

Captionless Image

Option 1

Option 2

Option 3

Option 4

Clear selection

14) Find *

1 point

Captionless Image

Option 1

Option 2

Option 3

Option 4

15) If A^2 = kA, find the value of K *

1 point

Captionless Image

6

-6

2

13

16) If A^2 = kA, find the value of K *

1 point

Captionless Image

6

-6

2

13

17) Find the value of x , if *

1 point

Captionless Image

6

-6

-13

13

18) Let A and B are the matrices of order 3 x 2 and 2 x 4 respectively .write order of the matrix (AB)

1 point

3 x 4

2 x 2

2 x 3

4 x 3

Clear selection

19) Let A and B are the matrices of order 4 x 2 and 2 x 4 respectively .write order of the matrix (BA) *

1 point

3 x 4

2 x 2

2 x 3

4 x 4

20) If A= [ 1 2 3 ] , the find AA' *

1 point

[0]

[14]

[1 2 3 ]

[1]

Submit

Clear form

Never submit passwords through Google Forms.

This content is neither created nor endorsed by Google.