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Learn math MCQs: we can subtract two matrices a and b if their, with choices elements are same, order is same, rows are same, and columns are same for online secondary education degree. Free math student portal for online learning matrices addition and subtraction quiz questions, 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