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Tutorial Exercises MCQs Interview Q & A Tests
math-for-ai / Matrix Operations
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Direction: Choose the correct option

Q1.

For matrix addition, the matrices must have:
A. Same dimensions
B. Square shape
C. Same number of rows
D. Same number of columns
Direction: Choose the correct option

Q2.

What is the result of multiplying a 2x3 matrix by a 3x2 matrix?
A. 3x3
B. 2x2
C. 3x2
D. 2x3
Direction: Choose the correct option

Q3.

Which of the following is true about scalar multiplication of a matrix?
A. Multiply each element by the scalar
B. Add the scalar to each element
C. Square each element
D. None of the above
Direction: Choose the correct option

Q4.

Matrix multiplication is generally:
A. Associative
B. Commutative
C. Commutative only for square matrices
D. Not associative
Direction: Choose the correct option

Q5.

What is the product of a matrix and its inverse?
A. Identity matrix
B. Matrix of ones
C. Zero matrix
D. Original matrix