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MCQ: In matrices, rows are denoted by

1. A
2. B
3. R
4. C

C

MCQ: In a unit matrix, number of diagonal elements is/are

1. 2
2. 3
3. 1
4. 0

C

MCQ: If ‘a’ is a real number, then a−1 is said to be

1. inverse of a
2. identity of a
3. transpose of a
4. determinant of a

A

MCQ: Vertically arranged elements in a matrix are called

1. columns
2. rows
3. determinants
4. transpose

A

MCQ: If all elements in a matrix are zeros, then it is called a

1. column matrix
2. diagonal matrix
3. identical matrix
4. null/zero matrix

D