Sample QuestionsAlgebraic Expressions questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
Simplify : $z^2 + 11z^2 - 5z - 11z2 + 5z.$
Answer: B.
View full solution →What is the coefficient of $x^2$ in the expression $ax + b?$
Answer: D.
View full solution →Which of the following is a pair of like terms?
- A
$-7xy^2z, - 7x^2yz$
- ✓
$-10xyz^2, 3xyz^2$
- C
$3xyz, 3x^2y^2z^2$
- D
$4xyz^2, 4x^2yz$
Answer: B.
View full solution →The value of $x$ in the expression $[\text{x+x}^{\log_{\text{x}}(10)}]^{5}$ if the third term in the expansion is $10, 00, 000:$
Answer: A.
View full solution →Add the terms $3xy$ and $2y^2:$
- ✓
$3xy + 2y^2$
- B
$5xy^3$
- C
$4xy + y$
- D
Answer: A.
View full solution →Directions: In the following questions, the Assertions $(A)$ and Reason$(s)$ $(R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion: The like terms are $xy, -6x$
Reasons: like terms are terms that have the different variables and powers
- A
Both assertion and reason are correct and reason is correct explanation for assertion.
- B
Both assertion and reason are correct but reason is correct explanation for assertion.
- C
Assertion is correct but reason is false.
- ✓
Both assertion and reason are false.
Answer: D.
View full solution →Directions: In the following questions, the Assertions $(A)$ and Reason$(s)$ $(R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion: Like terms are terms that have the same variables and powers
Reason: The like terms are $5y, 6y.$
- ✓
Both assertion and reason are correct and reason is correct explanation for assertion.
- B
Both assertion and reason are correct but reason is correct explanation for assertion.
- C
Assertion is correct but reason is false.
- D
Both assertion and reason are false.
Answer: A.
View full solution →Directions: In the following questions, the Assertions $(A)$ and Reason$(s)$ $(R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion: The area of a rectangle whose length and breadth are $3 y$ and $9 y^2$ respectively is $27 y^3$
Reason: Area of rectangle = length $\times $ breadth
- ✓
Both assertion and reason are correct and reason is correct explanation for assertion.
- B
Both assertion and reason are correct but reason is correct explanation for assertion.
- C
Assertion is correct but reason is false.
- D
Both assertion and reason are false.
Answer: A.
View full solution →Directions: In the following questions, the Assertions $(A)$ and Reason$(s)$ $(R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion: The product of $4x$ and $0$ is $0$
Reason: Any value multiplied by zero is zero
- ✓
Both assertion and reason are correct and reason is correct explanation for assertion.
- B
both assertion and reason are correct but reason is correct explanation for assertion.
- C
Assertion is correct but reason is false.
- D
Both assertion and reason are false.
Answer: A.
View full solution →Directions: In the following questions, the Assertions $(A)$ and Reason$(s)$ $(R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion: The coefficient of $x^{2 y}$ in $17 x^{2 y}+28 x y$ is $28$
Reason: A coefficient is a number multiplied by a variable
- A
Both assertion and reason are correct and reason is correct explanation for assertion.
- B
Both assertion and reason are correct but reason is correct explanation for assertion.
- ✓
Assertion is correct but reason is false.
- D
Both assertion and reason are false.
Answer: C.
View full solution →$p q^2$ and $-4 q^2 p$ are unlike terms.
View full solution →Factors of $5 x^2 y$ are $5, x$ and $y$.
View full solution →The numerical coefficient of $9 x^6 y^5 z^4$ is 9 .
View full solution →$x$ is a constant term in $7+5 x^2-3 x^3+x$.
View full solution →Subtracting $1$ from one-half of sum of $x$ and $y$. we get $\frac{x+y}{2}-1$.
View full solution →When $a = 0, b = –1$, find the value of the given expression: $a^2+a b+2$
View full solution →When $a = 0, b = – 1$, find the value of: $2 a^2 b+2 a b^2+a b$
View full solution →When $a = 0, b = – 1$, find the value of: $2 a^2+b^2+1$
View full solution →When $a = 0, b = – 1$, find the value of: $2a + 2b$
View full solution →If $a = 2, b = –2$ find the value of $a^2-b^2$
View full solution →What should be the value of a if the value of $2 x^2+x-a$ equals $5,$ when $x = 0?$
View full solution →If $p=-10$, find the value of $p^2-2 p-100$
View full solution →If $z = 10$, find the value of $=z^3-3(z-10)$
View full solution →Simplify the expression $2a – 2b – 4 – 5 + a$ and find their value if $a = –1, b = –2.$
View full solution →Simplify the expression $10 – 3b – 4 – 5b$ and find their value if $b = –2.$
View full solution →Identify like terms in the following: $10 pq, 7 p, 8 q,-p^2q^2,-7 qp,-100 q,-23,12 q^2p^2,-5 p^2, 41,2405 p, 78 qp, 13 p^2qp^2, 701 p^2$
View full solution →Identify like terms among the following: $-x y^2,-4 y x^2, 8 x^2, 2 x y^2, 7 y,-11 x^2,-100 x,-11 y x, 20 x^2 y,-6 x^2, y, 2 x y, 3 x$
View full solution →Identify terms and factors in the expressions given below:
$a. – 4x + 5$
$b. – 4x + 5y$
$c. 5y + 3y^2$
$d. xy + 2x^2 y^2$
$e. pq + q$
$f. 1.2 ab – 2.4 b + 3.6 a$
$g. \frac{3}{4} x+\frac{1}{4}$
$h. 0.1 p^2 + 0.2 q^2$
View full solution →From the sum of $2 y^2+3 y z,-y^2-y z-z^2$ and $y z+2 z^2$, subtract the sum of $3 y^2-z^2$ and $-y^2+y z+z^2$.
View full solution →State with reasons, which of the following pairs of terms are like terms and which are unlike terms:
$i. 7x, 12y$
$ii. 15x, –21x$
$iii. – 4\ ab, 7\ ba$
$iv. 3\ xy, 3x$
$v. 6\ xy^2 , 9\ x^2 y$
$vi. pq^2 , – 4\ pq^2$
$vii. mn^2 , 10\ mn$
View full solution →Riya wrote an algebraic expression.
$56t^3 + 12t^2 + 6t + 16s^2 + 2s + 106$
$1.$ Which of the following terms has 6 as the coeficient$?$
$A. s$
$B. s^2$
$C. t$
$D. t^3$
$2.$ Write the factors of $56t^3.$
$3.$ What is the type of the algebraic expression written by Riya$?$
$A.$ Monomial
$B.$ Binomial
$C.$ Trinomial
$D.$ Polynomial
$4.$ Riya said, “There are two like terms in the algebraic expression.” Is Riya correct? Give reason.
$5.$ Riya added an algebraic expression to $56t^3 + 12t^2 + 6t + 16s^2 + 2s + 106.$ The resultant expression is $14t^2+ 7t + 9s.$ Which of the following algebraic expressions did she add?
$A. 56t^3+ 2t^2+ t - 16s^2+ 7s + 106$
$B. -56t^3+ 2t^2+ t - 16s^2+ 7s – 106$
$C. -56t^3 - 2t^2 - t - 16s^2 - 7s – 106$
$D. 56t^3+ 26t^2+ 11t + 16s^2+ 11s + 106$
View full solution →The amusement park is divided into three regular-shaped sections for rides, ticket room and
car parking respectively.

$1.$ What is the perimeter of the amusement park$?$
$A. 6P$
$B. 8P$
$C. 9P$
$D. 11P$
$2.$ What area of the amusement park is occupied by the parking space$?$ View full solution →The costs of entry tickets to an amusement park are different for adults and children. An adult
ticket costs $Rs.800$ and a child ticket costs $Rs.500.$
$1.$ On Sunday, $x$ adult tickets and $y$ child tickets were sold. Which of the following expressions show the money collected through the ticket sale?
$A. 1300x$
$B. 800x+ 500x$
$C. 800x+ 500 y$
$D. (800 + 500) ( x + y)$
$2.$ A car parking ticket at the amusement park costs $Rs.150$ on Saturdays and Sundays and $Rs.100$ on weekdays. In a month with $5$ Saturdays and $4$ Sundays, the total parking ticket sale was worth $Rs.250,000.$ Write an equation to represent the situation algebraically.
$3.$ On Monday, the number of adults who visited the amusement park was the square of the number of children who visited. How much money was collected by selling entry tickets on Monday$?$
$A. x^2$
$B. 800x^2+ 500x$
$C. 800x + 500x^2$
$D.1300 (x+ x^2)$
View full solution →