Questions

M.C.Q. [1 Marks Each]

🎯

Test yourself on this topic

15 questions · timed · auto-graded

MCQ 11 Mark
On dividing $p\left(4 p^2-16\right)$ by $4 p(p-2)$, we get
  • A
    $2 p+4$
  • B
    $2 p-4$
  • $p+2$
  • D
    $p-2$
Answer
Correct option: C.
$p+2$
C
View full question & answer
MCQ 21 Mark
Which of the following is true for all the factors of 75?
  • They are odd numbers.
  • B
    They are divisible by 3 .
  • C
    They are divisible by 5 .
  • D
    They are prime numbers.
Answer
Correct option: A.
They are odd numbers.
A
View full question & answer
MCQ 31 Mark
Which of the following divides $25\left(x^2 y+y^2 x\right)$ completely?
  • A
    $x^2 y$
  • $5 x y$
  • C
    $5 x^2 y$
  • D
    $5 y^2 x$
Answer
Correct option: B.
$5 x y$
B
View full question & answer
MCQ 41 Mark
Rajat factorises the given algebraic expression. $a^4-r^4$, which of the following would be his next step?
  • A
    $a^4-r^4-2 a^2 r^2$
  • B
    $(a+r)(a-r)$
  • $\left(a^2\right)^2-\left(r^2\right)^2$
  • D
    $a^2-r^2$
Answer
Correct option: C.
$\left(a^2\right)^2-\left(r^2\right)^2$
C
View full question & answer
MCQ 51 Mark
Which of the following is not a factor of $18 p^2 q^2$ ?
  • A
    3
  • B
    $p^2$
  • C
    $p q$
  • $q^3$
Answer
Correct option: D.
$q^3$
D
View full question & answer
MCQ 61 Mark
What is the common factor of $72 x^3 y^4 z^4, 120 z^2 \sigma^4 x^4$ and $96 y^3 z^4 d^4$ ?
  • A
    $96 z^3$
  • B
    $120 z^3$
  • C
    $72 z^3$
  • $24 z^2$
Answer
Correct option: D.
$24 z^2$
D
View full question & answer
MCQ 71 Mark
Which of the following is equal to $x^3-225 x$ ?
  • A
    $x(1-15 x)(1+15 x)$
  • B
    $x(1-15 x)(3-15 x)$
  • $x(x-15)(x+15)$
  • D
    $x(1+15 x)(1+15 x)$
Answer
Correct option: C.
$x(x-15)(x+15)$
C
View full question & answer
MCQ 81 Mark
Which of the following is the common factor of $5 x y, 3 p q r$ and $40 x y z$ ?
  • A
    5
  • B
    $0$
  • C
    $x 7$
  • 1
Answer
Correct option: D.
1
D
View full question & answer
MCQ 91 Mark
The factors of $3 m^2+9 m+6$ are
  • A
    $9(m+1)(m+2)$
  • B
    $6(m+1)(m+2)$
  • C
    $(m+1)(m+2)$
  • $3(m+1)(m+2)$
Answer
Correct option: D.
$3(m+1)(m+2)$
D
View full question & answer
MCQ 101 Mark
The common factor of $24 a^3 b^4, 36 a^4 c^4$ and $48 a^3 b^2 c$ is
  • $12 a^3$
  • B
    $24 a^3$
  • C
    $36 a^3$
  • D
    $48 a^3$
Answer
Correct option: A.
$12 a^3$
A
View full question & answer
MCQ 111 Mark
The value of $(a+b)^2-(a-b)^2$ is
  • $4 a b$
  • B
    $-4 a b$
  • C
    $2 a^2+2 b^2$
  • D
    $2 a^2-2 b^2$
Answer
Correct option: A.
$4 a b$
A
View full question & answer
MCQ 121 Mark
The factors of $x^2-4$ are
  • A
    $(2-x)(x+2)$
  • $(x+2)(x-2)$
  • C
    $(x+2)(x+2)$
  • D
    $(x-4)(x-4)$
Answer
Correct option: B.
$(x+2)(x-2)$
B
View full question & answer
MCQ 131 Mark
Coefficlent of $y$ in the term $\frac{-y}{3}$ is
  • A
    -1
  • B
    -3
  • $-\frac{1}{3}$
  • D
    $\frac{1}{3}$
Answer
Correct option: C.
$-\frac{1}{3}$
C
View full question & answer
M.C.Q. [1 Marks Each] - MATHS STD 8 Questions - Vidyadip