Mathematics MCQ Set 1

Question : A ⊆ B means

1. A is superset of B
2. A is subset of B
3. A and B are disjoint sets
4. A is improper subset of B

Question : Two matrix A and B are equal if

1. They are square matrix
2. They have same order
3. Their corresponding elements are equal
4. They have same number of columns

Question : (Z, .) is not a group because

1. ‘.’ is not commutative
2. ‘.’ is not associative
3. It has not identity w.r.t. ‘.’
4. It has not inverse w.r.t. ‘.’

Question : Tick the false statement

1. ‘÷’ is not a binary operation on N
2. ‘+’ is a binary operation on N
3. ‘–’ is a binary operation on N
4. ‘×’ is a binary operation on N

Question : 7. Degree of x⁴ + 2x – 1 is

1. 0
2. – 1
3. 2
4. 4

Question : The quadratic eq. Having roots 2 and – is

1. –x² + x – 6 = 0
2. X² + x – 6 = 0
3. X² – x – 6 = 0
4. X² + x + 6 = 0