MATHS Assertion (A) & Reason (B) MCQ

Assertion (A): 5 terms are there in the expression 5xy + 9yz + 3zx + 5x - 4y.
Reasons (R): An algebraic expression consists of a group of terms separated by operators, which are either plus signs or minus signs.

Assertion (A): 4 terms are there in the expression 4a - lab + 3b + 12.
Reasons (R): An algebraic expression consists of a group of terms separated by operators, which are either plus signs or minus signs.

Assertion (A): 4 is a monomial.
Reasons (R): A monomial is an expression of the form k - xⁿ, where k is a real number and n is a positive integer.

Assertion (A): 3 terms are there in the expression 5 - 3xy.
Reasons (R): An algebraic expression consists of a group of terms separated by operators, which are either plus signs or minus signs.

Assertion (A): 2x + 3y - 5 is a binomial.
Reasons (R): A binomial is an algebraic expression that has two non-zero terms.

Assertion (A): 1 term is there in the expression 5xy².
Reasons (R): An algebraic expression consists of a group of terms separated by operators, which are either plus signs or minus signs.

Assertion (A): 12a - 9ab + 5b - 3 is a trinomial.
Reasons (R): A trinomial is an algebraic expression that has three non-zero terms.

Assertion (A): The number of like terms in abc, -abc, -bca, acb, bac, 12cab is 4.
Reasons (R): like terms are terms that have the same variables and powers.

Assertion (A): The like terms are x, 3x.
Reasons (R): like terms are terms that have the same variables and powers.

Assertion (A): The expression x + 3 is in one variable.
Reasons (R): The expression (n + 3) represents the measure of an exterior angle of a regular octadecagon.