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Math practice test MCQ: we can subtract two matrices and b if their with options elements are same, order is same, rows are same and columns are same for online certificate courses preparation with eLearning virtual academy portal for online certifications. Free math revision notes to learn matrices addition and subtraction quiz with MCQs to find questions answers based online learning tests.

MCQ: We can subtract two matrices A and B if their

1. elements are same
2. order is same
3. rows are same
4. columns are same

B

MCQ: In real numbers, additive identity is

1. 1
2. 3
3. 0
4. −1

C

MCQ: If A, B and C matrices are of same order and (a + b) + C = A + (b + c), this law is known as

1. Cramer's law
2. distributive law
3. commutative law
4. associative law

D

MCQ: A scalar is denoted by

1. n
2. k
3. r
4. a

B

MCQ: We can add two matrices having real numbers A and B if their

1. order is same
2. rows are same
3. columns are same
4. elements are same

A