Matrix DSA self paced Quiz

Question 1

Two matrices having dimensions ( r1 * c1 ) and ( r2 * c2 ) can be multiplied only if,

• c1 = c2

• c1 = r2

• r1 = c2

• r1 = r2

Question 2

What is the dimension of the matrix which is found after multiplying two matrices of dimensions ( r1 * c1 ) and ( r2 * c2 ) ?

• r1 * c2

• c1 * r2

• r1 * r2

• c1 * c2

Question 3

What is the output matrix after multiplying given 2 matrices?

[caption width="800"] [/caption]

• 1	2
  3	4
  5	6

• 1	4
  9	16
  25	36

• The matrices cannot be multiplied

• None of the above

Question 4

What is the output of, 

[caption width="800"] [/caption]

• 22	28
  49	64

• 21	28
  45	56

• The matrices cannot be multiplied

• None of the above

Question 5

Does the multiplication of 3 matrices of ( 3 x 3 ) follow the associative property? 

• No, they do not follow associativity

• Yes, multiplication of these matrices follow associative property

• It depends on the matrix given.

• There is no such property