Class 7 Mathematics MCQ Algebraic Expressions

Question 1: Write an expression : Raju s father s age is 5 years more than 3 times Raju s age . If Raju s
age is x years , then father’s age is

(A) 3x+5
(b) 5-3x
(c) 3x-5
(d) 15x

Question 2: The number of terms in 4p²q -3pq²+5 is

(A) 7
(b) 3
(c) 1
(d) 4

Question 3: When x-0,y= -1,then the value of expression 2x+2y is

(A) 4
(b) 0
(c) -2
(d) 2

Question 4: What is the numerical coefficient of y² in the expression 2x²y – 15xy² +7y

(A) -15x
(b) -15
(c) 2
(d) 7

Question 5: The sum of mn+5-2 and mn+3 is

(A) 2mn+3
(b) 6
(c) 2mn+8
(d) 2mn+6.

Question 6:Which of the following is monomial

(A) 2x +3
(b) 2x
(c) 4x+2y+3
(d) 4y+5x+z ̶ 1

Question 7:From the following expressions 10pq, 7p, 8q, -p²q², -7pq, -23, ab,3a,b.The like terms are

(A) 3,7p
(b) 10 pq, -7pq
(c) ab,3a,b
(d)10pq,7p,8q

Question 8:The coefficient of y³ in the expression y – y³ + y² is

(A) 1
(b) y
(c) -y³
(d) -1

Question 9:The value of 21b-32 + 7b – 20b is

(A) 48b- 32
(b) – 8b – 32
(c) 8b – 32
(d) 28b – 52

Question 10:The expression x +y – xy is

(A) Monomial
(b) Binomial
(c) Trinomial
(d) Quadrinomial

Question 11:Subtracting -5y² from y² ,the result is

(A) -4y²
(b) 6y²
(c) 4 y²
(d) -6 y²

Question 12:Sum of 3m and 2n is

(A) 5mn
(b) 3m+2n
(c) 5m
(d) 5n

Question 13: On simplifying (a+b-3) – (b –a +3) + (a ̶ b+3) the result is

(A) a-b+3
(b) a-b-3
(c) 3a-b-3
(d) 3a+b+3

Question 14:Factors of the terms -4pq² in the expression 9p²q² -4 pq² are

(A) 9 p²q² ,-4 pq²
(b) 9,-4
(c) -4,p,q,q
(d) -4

Question 15: Identify the terms in the expression x+y+1 which are not constant

(A) x,y,1
(b) x, y
(c) x,1
(d) y,1

Question 16: The value of expression 2a²+2b² ̶ ab for a=2, b=1is

(A) 2
(b) 8
(c) 6
(d) 10

Question 17: The value of expression 2a-2b-4-5+a at a=1, b= – 2

(A) 10
(b) -2
(c) 12
(d) -4

Question 18: Identify the coefficient of x in expression 8-x+y
(a ) 0
(b) 8
(c) -1
(d) 1

Question 19: Subtract a – b from a+b the result is

(A) 2a + 2b
(b) 2a
(c) 2b
(d) 2a – 2b

Question 20: If the length of each side of the equilateral triangle is l, then the perimeter of the equilateral triangle is

(A) 31
(b) 3+1
(c) 3-1
(d) 11/3

Question 21: Find the value of a² + b² if a = 2 and b = -2.

(A) 0
(B) 8
(C) 4
(D) None of these

Question 22: Write an expression : Raju s father s age is 5 years more than 3 times Raju s age. If Raju s age is x years, then father’s age is

(A) 3x – 5
(B) 3x + 7
(C) 5 – 3x
(D) 3x + 5

Question 23: Subtract – 5y² from y².

(A) -4y²
(B) 4y²
(C) 6y²
(D) None of these

Question 24: A _________ can take various values.

(A) variable
(B) expression
(C) term
(D) None of these

Question 25: The simplified form of the Boolean expression (X + Y + XY)(X + Z) is

(A) X + Y + Z
(B) XY + YZ
(C) X + YZ
(D) XZ + Y

Question 26: Identify terms which contain x in following expression 13 y² – 8 yx

(A) -8yx
(B) 13 y²
(C) -8y
(D) None of these

Question 27: For what value of ‘m’ is 9 − 5m = (−1)?

(A) −1
(B) −2
(C) 2
(D) 1

Question 28: The number z is multiplied by itself, write its algebraic expresson.

(A) 2z
(B) z²
(C) 2z
(D) None of these

Question 29: What is the difference between 3a + 2b and −2a − 5b?

(A) 5a + 7b
(B) – 5a – 7b
(C) 5a – 7b
(D) a – 3b

Question 30: Add 3 mn, -5 mn, 8 mn, -4mn.

(A) 2 mn
(B) 20 mn
(C) -2 mn
(D) None of these

Question 31: Identify, in the following expressions, terms which are not constants : xy + 4.

(A) xy
(B) 4
(C) x
(D) y

Question 32: An expression which contains two unlike terms is called _______.

(A) binomial
(B) monomial
(C) trinomial
(D) None of these

Question 33: Get the algebraic expression of subtraction of z from y.

(A) z – y
(B) y – z
(C) – z + y
(D) None of these

Question 34: A and B are polynomials and each is the additive inverse of the other. What does it mean?

(A) A = B
(B) A+B is a zero polynomial.
(C) A−B is a zero polynomial.
(D) A−B = B−A

Question 35: Find the value of 7a – 4b if a = 3, b = 2.

(A) 17
(B) 29
(C) 13
(D) None of these

Question 36: Get the algebraic expressions for subtraction of z from y.

(A) y × z
(B) y – z
(C) y + z
(D) $\frac { y }{ z }$

Question 37: What is the co-efficient ofy in the given algebraic expression 8 + yz.

(A) 8
(B) 1
(C) z
(D) None of these

Question 38: What are the coefficients of y in the expression 4x – 3y?

(A) -4
(B) -3
(C) 3
(D) 4

Question 39: Write the term which contains y² in expression 5y² + 7x.

(A) 5
(B) 5y²
(C) 7
(D) None of these

Question 40: Simplify these expressions and find their values, if x = 3, a = – 1, b = – 2.
3x – 5a – x2 + 9b

(A) -13
(B) 15
(C) 13
(D) None of these