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MCQ(1M)

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30 questions · timed · auto-graded

MCQ 21 Mark
$\left(4 a^{2}-20 a+25\right) \div(2 a-5)=........$
  • A
    $2 a+5$
  • $2 a-5$
  • C
    $2 a+25$
  • D
    $2 a-25$
Answer
Correct option: B.
$2 a-5$
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MCQ 31 Mark
$\left(100 x^{2}-49\right) \div(10 x+7)=...........$
  • $10 x-7$
  • B
    $10 x+7$
  • C
    $10 x+49$
  • D
    $10 x-49$
Answer
Correct option: A.
$10 x-7$
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MCQ 41 Mark
$81 x^{2}-25=.........$
  • A
    $(9 x-5)(9 x-5)$
  • $(9 x-5)(9 x+5)$
  • C
    $(9 x-5)^{2}$
  • D
    $(9 x+5)^{2}$
Answer
Correct option: B.
$(9 x-5)(9 x+5)$
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MCQ 51 Mark
$a^{2}-10 a+25=...........$
  • $(a-5)(a-5)$
  • B
    $(a-5)(a+5)$
  • C
    $(a+5)(a+5)$
  • D
    $(a-10)(a+5)$
Answer
Correct option: A.
$(a-5)(a-5)$
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MCQ 61 Mark
$16 x^{3},-4 x^{2}$ અને $32 x$ પદોમાં $.......$ સામાન્યછે.
  • A
    $4 x^{3}$
  • B
    $-4 x^{2}$
  • $4 x$
  • D
    $8 x$
Answer
Correct option: C.
$4 x$
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MCQ 81 Mark
$16 x^{2}-121=..........$
  • A
    $(4 x-11)(4 x-11)$
  • $(4 x+11)(4 x-11)$
  • C
    $(4 x-11)^{2}$
  • D
    $(4 x+11)^{2}$
Answer
Correct option: B.
$(4 x+11)(4 x-11)$
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MCQ 91 Mark
$x^{2}-11 x+28=........$
  • $(x-7)(x-4)$
  • B
    $(x-7)(x+4)$
  • C
    $(x-14)(x-2)$
  • D
    $(x+14)(x-2)$
Answer
Correct option: A.
$(x-7)(x-4)$
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MCQ 101 Mark
$x^{2}+8 x+15=$
  • A
    $(x+10)(x+5)$
  • $(x+3)(x+5)$
  • C
    $(x-3)(x-5)$
  • D
    $n(x+15)(x+1)$
Answer
Correct option: B.
$(x+3)(x+5)$
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MCQ 131 Mark
$a b+2 a+3 b+6=.........$
  • $(a+3)(b+2)$
  • B
    $(a+2)(b+3)$
  • C
    $(a+2)(b+6)$
  • D
    $(a+3)(b+6)$
Answer
Correct option: A.
$(a+3)(b+2)$
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MCQ 141 Mark
$18 x^{2} y^{2}+12 x y^{2}= ........(3 x+2)$
  • A
    $6$
  • B
    $6 x y$
  • $6 x y^{2}$
  • D
    $6 x^{2} y$
Answer
Correct option: C.
$6 x y^{2}$
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MCQ 151 Mark
$2 \times 7 \times x \times x \times x \times y \times y$  એ $.......$ ના અવયવો છે.
  • A
    $14 x y$
  • B
    $14 x^{2} y^{2}$
  • C
    $14 x^{2} y$
  • $14 x^{3} y^{2}$
Answer
Correct option: D.
$14 x^{3} y^{2}$
$14 x^{3} y^{2}$
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MCQ 171 Mark
$16x^2 - 121$
  • A
    $(4x-11) (4x-11)$
  • $(4x+11) (4x-11)$
  • C
    $(4 x-11)^2$
  • D
    $(4 x+11)^2$
Answer
Correct option: B.
$(4x+11) (4x-11)$
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MCQ 181 Mark
$ x^3 – 225x $ ના અવયવો છે.
  • A
    $x (1 – 15x) (1 + 15x)$
  • $x (x - 15) (x + 15)$
  • C
    $x (1 – 15x) (1 – 15x)$
  • D
    $x(1 + 15x) (1 + 15x)$
Answer
Correct option: B.
$x (x - 15) (x + 15)$
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MCQ 191 Mark
$(30xy – 15x) \div (2y - 1)$ નું ભાગફળ છે.
  • A
    $15x$
  • $-15x$
  • C
    $2y – 1$
  • D
    $15x(2y – 1)$
Answer
Correct option: B.
$-15x$
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MCQ 201 Mark
$ a^2 + ab + bc + ca $ ના અવયવો છે.
  • A
    $(b + c) (c + a)$
  • $(a + b) (a + c)$
  • C
    $a (a + b + c)$
  • D
    $(a + b) (b + c)$
Answer
Correct option: B.
$(a + b) (a + c)$
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MCQ 211 Mark
$ (x^2 – b)(x – a) – (x - a) $ નું ભાગફળ શું છે$?$
  • A
    $ (x^2 – b) $
  • B
    $ (x^2 – b) \{x - a\} $
  • $ -(x^2 – b) $
  • D
    $=- (x + a)$
Answer
Correct option: C.
$ -(x^2 – b) $
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MCQ 221 Mark
$ \frac{40x^2y + 1}{4xy} = ……….$
  • A
    $10x + 1$
  • $ 10x + \frac{1}{4xy} $
  • C
    $10xy + 1$
  • D
    $41x$
Answer
Correct option: B.
$ 10x + \frac{1}{4xy} $
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MCQ 241 Mark
$ 3p^2 – 6p + 3 = 3 (………)^2 $
  • A
    $P + 1$
  • B
    $P – 3$
  • $P – 1$
  • D
    $P + 3$
Answer
Correct option: C.
$P – 1$
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MCQ 251 Mark
$(x – 7) (x - 5)$ ની બહુપદી છે.
  • A
    $ x^2 – 35 $
  • B
    $ x^2 + 35 $
  • C
    $ x^2 + 12x + 35 $
  • $ x^2 – 12x + 35 $
Answer
Correct option: D.
$ x^2 – 12x + 35 $
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MCQ 261 Mark
$ a^4 – b^4 = (a + b)(a - b) (………..) $
  • A
    $ (a - b)^2 $
  • B
    $ -2a^2b^2 $
  • C
    $ a^2 – b^2 $
  • $ (a^2 + b^2) $
Answer
Correct option: D.
$ (a^2 + b^2) $
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MCQ 271 Mark
$ (a + b)^2$ ના અવયવ છે.
  • A
    $ (a + b) (a - b) $
  • B
    $ a^2 – 2ab + b^2 $
  • $a^2 + 2ab + b^2 $
  • D
    $a^2 +b^2 $
Answer
Correct option: C.
$a^2 + 2ab + b^2 $
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MCQ 281 Mark
$ab + bc + ca$ ની સામાન્ય અવયવ છે.
  • $1$
  • B
    $2 \ abc$
  • C
    $abc$
  • D
    $0$
Answer
Correct option: A.
$1$
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MCQ 291 Mark
$ 4 – a^2b^2 $ ના અવયવ છે.
  • A
    $(4 - a) (4 - b)$
  • B
    $(2 - ab) (2 - ab)$
  • C
    $(ab - 2) (ab + 2)$
  • $(2 - ab) (2 - ab)$
Answer
Correct option: D.
$(2 - ab) (2 - ab)$
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MCQ 301 Mark
$ 12a^2b $ અને $ 21b^2a $ માં સામાન્ય અવયવ શું છે $?$
  • $3ab$
  • B
    $7ab$
  • C
    $ a^2b^2 $
  • D
    $ab$
Answer
Correct option: A.
$3ab$
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MCQ(1M) - ગણિત ધોરણ 8 Questions - Vidyadip