Questions

M.C.Q. [1 Marks Each]

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15 questions · timed · auto-graded

MCQ 11 Mark
Which of the following equations cannot be formed using the equation $x=7$ ?
  • A
    $2 x+1=15$
  • $7 x-1=50$
  • C
    $x-3=4$
  • D
    $\frac{x}{7}-1=0$
Answer
Correct option: B.
$7 x-1=50$
b
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MCQ 21 Mark
Which of the following equations can be formed starting with $X = 0$ ?
  • A
    $2 x+1=-1$
  • B
    $\frac{x}{2}+5=7$
  • $3 x-1=-1$
  • D
    $3 x-1=1$
Answer
Correct option: C.
$3 x-1=-1$
c
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MCQ 31 Mark
Which of the following numbers satisfies the equation $-6+x=-18$ ?
  • A
    10
  • B
    -13
  • -12
  • D
    -16
Answer
Correct option: C.
-12
c
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MCQ 41 Mark
The solution of the equation $\frac{x}{2}=\frac{3}{4}$ is
  • A
    $\frac{1}{2}$
  • B
    $\frac{1}{4}$
  • $\frac{3}{2}$
  • D
    $\frac{3}{4}$
Answer
Correct option: C.
$\frac{3}{2}$
(C). $\text { $\frac{3}{2}$ } $
$\because \frac{x}{2}=\frac{3}{4}$
$\Rightarrow x=\frac{6}{4}=\frac{3}{2}$
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MCQ 51 Mark
The solution of the equation $-4=2(y-2)$ is
  • 0
  • B
    1
  • C
    2
  • D
    4
Answer
Correct option: A.
0
(A). 0
$\because-4 =2(y-2) $
$ \Rightarrow -4 =2 y-4 $
$ \Rightarrow 2 y =0 $
$ \Rightarrow y =0$
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MCQ 81 Mark
The equation having -3 as a solution is
  • A
    $x+3=1$
  • B
    $8+2 x=3$
  • $10+3 x=1$
  • D
    $2 x+1=3$
Answer
Correct option: C.
$10+3 x=1$
c
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MCQ 101 Mark
If $8 m-8=56$, then $m$ is equal to
  • A
    -4
  • B
    -2
  • C
    -14
  • 8
Answer
Correct option: D.
8
(D). 8
$\because 8 m-8
=56$
$\Rightarrow 8 m =64$
$\therefore m =\frac{64}{8}=8$
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MCQ 111 Mark
If $7 x+4=39$, then $x$ is equal to
  • A
    6
  • B
    -4
  • 5
  • D
    8
Answer
Correct option: C.
5
(C). 5
$\because 7 x+4=39$
$\Rightarrow7 x =35$
$\therefore x =\frac{35}{7}=5$
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MCQ 121 Mark
The solution of the equation $m x+n=0$ is
  • $\frac{-n}{m}$
  • B
    $\frac{n}{m}$
  • C
    $\frac{2 n}{m}$
  • D
    $\frac{m}{n}$
Answer
Correct option: A.
$\frac{-n}{m}$
a
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MCQ 131 Mark
If $42 P=0.0084$, then the value of $P$ is equal to
  • 0.0002
  • B
    0.002
  • C
    0.026
  • D
    0.46
Answer
Correct option: A.
0.0002
(A). 0.0002
$\because 42 P=0.0084$
On dividing both sides by 42 , we get
$
P=0.0002
$
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MCQ 141 Mark
Write the following statement in the form of an equation :
The number a divided by 6 gives 5 .
  • $\frac{a}{6}=5$
  • B
    $a-5=6$
  • C
    $5 a=6$
  • D
    $a+5=6$
Answer
Correct option: A.
$\frac{a}{6}=5$
a
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MCQ 151 Mark
$x$ exceeding 3 by 7 , can be represented as
  • A
    $x+3=2$
  • B
    $x+7=3$
  • $x-3=7$
  • D
    $x-7=3$
Answer
Correct option: C.
$x-3=7$
c
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M.C.Q. [1 Marks Each] - MATHS STD 7 Questions - Vidyadip