CBSE Class 7 Mathematics Algebraic Expression MCQs Set B

Question. 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

Answer: A

Question. The number of terms in 4p²q -3pq²+5 is
(a) 7
(b) 3
(c) 1
(d) 4

Answer: B

Question. When x-0,y= -1,then the value of expression 2x+2y is
(a) 4
(b) 0
(c) -2
(d) 2

Answer: C

Question. What is the numerical coefficient of y² in the expression 2x²y – 15xy² +7y
(a) -15x
(b) -15
(c) 2
(d) 7

Answer: B

Question. The sum of mn+5-2 and mn+3 is
(a) 2mn+3
(b) 6
(c) 2mn+8
(d) 2mn+6.

Answer: D

Question. Which of the following is monomial
(a) 2x +3
(b) 2x
(c) 4x+2y+3
(d) 4y+5x+z ̶ 1

Answer: B

Question. 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

Answer: B

Question. The coefficient of y³ in the expression y – y³ + y² is
(a) 1
(b) y
(c) -y³
(d) -1

Answer: D

Question. The value of 21b-32 + 7b – 20b is
(a) 48b- 32
(b) – 8b – 32
(c) 8b – 32
(d) 28b – 52

Answer: C

Question. The expression x +y – xy is
(a) Monomial
(b) Binomial
(c) Trinomial
(d) Quadrinomial

Answer: C

Question. Subtracting -5y² from y² ,the result is
(a) -4y²
(b) 6y²
(c) 4 y²
(d) -6 y²

Answer: B

Question. Sum of 3m and 2n is
(a) 5mn
(b) 3m+2n
(c) 5m
(d) 5n

Answer: B

Question. 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

Answer: C

Question. 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

Answer: C

Question. 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

Answer: B

Question. The value of expression 2a²+2b² ̶ ab for a=2, b=1is
(a) 2
(b) 8
(c) 6
(d) 10

Answer: B

Question. The value of expression 2a-2b-4-5+a at a=1, b= – 2
(a) 10
(b) -2
(c) 12
(d) -4

Answer: B

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

Answer: C

Question. Subtract a – b from a+b the result is
(a) 2a + 2b
(b) 2a
(c) 2b
(d) 2a – 2b

Answer: C

Question. 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

Answer: A