Questions

M.C.Q. [1 Marks Each]

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54 questions · 50 auto-graded MCQ + 4 self-marked written.

MCQ 21 Mark
What must be subtracted from $-1$ to get $-6?$
  • $5$
  • B
    $-5$
  • C
    $7$
  • D
    $-7$
Answer
Correct option: A.
$5$
Let the number to be substracted be $x.$
To find the number, we have:
$-1 - x = -6$
$\therefore x = -1 + 6 = 5$
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MCQ 31 Mark
What must be subtracted from $-3$ to get $-9?$
  • A
    $-6$
  • $12$
  • C
    $6$
  • D
    $-12$
Answer
Correct option: B.
$12$
$-3 - (-9) = -3 + 9 = 6$
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MCQ 41 Mark
$(-8) ÷ 0 = ?$
  • A
    $-8$
  • B
    $0$
  • Not defined.
  • D
    $1$
Answer
Correct option: C.
Not defined.
Division by zero is not defined.
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MCQ 51 Mark
$(-12) \times 6 - (-12) \times 4 = ?$
  • A
    $24$
  • $-24$
  • C
    $120$
  • D
    $-120$
Answer
Correct option: B.
$-24$
$(-12) \times 6 - (-12) \times 4$
$= (-12)(6 - 4) = -12 \times 2 = -24$
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MCQ 61 Mark
The sum of two integers is $14.$ If one of them is $-8,$ then the other is:
  • $22$
  • B
    $-22$
  • C
    $6$
  • D
    $-6$
Answer
Correct option: A.
$22$
Sum $= 14$
One integer $= -8$
Second $= 14 - (-8) = 14 + 8 = 22$
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MCQ 81 Mark
The sum of two integers is $-6.$ If one of them is $2,$ then the other is:
  • A
    $-4$
  • B
    $4$
  • C
    $8$
  • $-8$
Answer
Correct option: D.
$-8$
Let the other integer be $a.$ Then, we have:
$2 + a = -6$
$\Rightarrow a = -6 - 2 = -8$
$\Rightarrow $ The other integer is $-8.$
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MCQ 91 Mark
The sum of two integers is $-4.$ If one of them is $6,$ then the other is:
  • $-10$
  • B
    $10$
  • C
    $2$
  • D
    $-2$
Answer
Correct option: A.
$-10$
$-4 - (-10) = -4 + 10 = 6$
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MCQ 101 Mark
The sum of two integers is $6.$ If one of them is $-3,$ then the other is:
  • A
    $-9$
  • $9$
  • C
    $3$
  • D
    $-3$
Answer
Correct option: B.
$9$
$-3 + 9 = 6$
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MCQ 111 Mark
$(?) ÷ (-18) = -5$
  • A
    $-90$
  • $90$
  • C
    $80$
  • D
    None of these.
Answer
Correct option: B.
$90$
$(?) ÷ (-18) = -5$
$Let x ÷ (-18) = -5$
$\Rightarrow\frac{\text{x}}{-18}=-5$
$\Rightarrow x = (-5) \times (-18) = 90$
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MCQ 121 Mark
On subtracting $-13$ from $-8,$ we get:
  • A
    $-21$
  • B
    $21$
  • $5$
  • D
    $-5$
Answer
Correct option: C.
$5$
$-8 - (-13) = -8 + 13 = 5$
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MCQ 131 Mark
On subtracting $4$ from $-4,$ we get:
  • A
    $8$
  • $-8$
  • C
    $0$
  • D
    None of these
Answer
Correct option: B.
$-8$
$-4 - (+4) = -4 - 4 = -8$
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MCQ 171 Mark
$30 \times (-23) + 30 \times 14 = ?$
  • $-270$
  • B
    $270$
  • C
    $1110$
  • D
    $-1110$
Answer
Correct option: A.
$-270$
$30 \times (-23) + 30 \times 14$
$= 30 \times (-23 + 14)$
$= 30 \times (-9)$
$= -270$
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MCQ 181 Mark
$(-27) \times (-16) + (-27) \times (-14) = ?$
  • A
    $-810$
  • $810$
  • C
    $-54$
  • D
    $54$
Answer
Correct option: B.
$810$
$(-27) \times (-16) + (-27) \times (-14)$
$= (-27){-16 - 14}$
$= (-27) \times (-30)$
$= 810$
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MCQ 191 Mark
$0 ÷ (-5) = ?$
  • A
    $-5$
  • $0$
  • C
    $1$
  • D
    Not defined.
Answer
Correct option: B.
$0$
$0 ÷ (-5) = 0$
$($Zero divided by any integer other than zero, is zero$)$
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MCQ 201 Mark
On subtracting $6$ from $-5,$ we get
  • A
    $1$
  • B
    $11$
  • $-11$
  • D
    None of these.
Answer
Correct option: C.
$-11$
$-5 - (6) = -5 - 6 = -11$
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MCQ 211 Mark
Which of the following is a true statement$?$
  • A
    $-11 > -8$
  • $-11 < -8$
  • C
    $-11$ and $-8$ cannot be compared.
  • D
    $-11 = -8$
Answer
Correct option: B.
$-11 < -8$
$-11 < -8$
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MCQ 231 Mark
$(-15) \times 8 + (-15) \times 2 = ?$
  • A
    $150$
  • $-150$
  • C
    $90$
  • D
    $-90$
Answer
Correct option: B.
$-150$
$(-15) \times 8 + (-15) \times 2$
$= (-15)\{8 + 2\}$
$= -15 \times 10 = -150$
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MCQ 251 Mark
The sum of two integers is $93$. If one of them is $-59,$ the other one is:
  • A
    $34$
  • B
    $-34$
  • $152$
  • D
    $-152$
Answer
Correct option: C.
$152$
Sum of two integers $= 93$
One integer $= -59$
Second $= 93 - (-59) = 93 + 59 = 152$
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MCQ 271 Mark
(-37) × (-7) + (-37) × (-3) = ?
  • A
    370
  • B
    -370
  • C
    148
  • D
    -148
Answer
  1. 370
    Solution:
    = (-37) × (-7) + (-37) × (-3)
    = (-37) × [(-7) + (-3)] [Associative property]
    = (-37) × (-10)
    = 370
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MCQ 301 Mark
The sum of two integers is 14 . If one of them is -8 , then the other is
  • 22
  • B
    -22
  • C
    6
  • D
    -6
Answer
Correct option: A.
22
a
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MCQ 321 Mark
The sum of two integers is 93. If one of them is -59, the other one is
  • A
    34
  • B
    -34
  • 152
  • D
    -152
Answer
Correct option: C.
152
C
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MCQ 391 Mark
The sum of two integers is -4. If one of them is 6, then the other is
  • -10
  • B
    10
  • C
    2
  • D
    -2
Answer
Correct option: A.
-10
A
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MCQ 401 Mark
The sum of two integers is 6. If one of them is -3, then the other is
  • A
    -9
  • 9
  • C
    3
  • D
    -3
Answer
Correct option: B.
9
B
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MCQ 411 Mark
Which of the following is a true statement?
  • A
    $-11>-8$
  • $-11<-8$
  • C
    -11 and -8 cannot be compared
Answer
Correct option: B.
$-11<-8$
B
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MCQ 481 Mark
By how much does –3 exceed -5?
  • A
    -2
  • 2
  • C
    8
  • D
    -8
Answer
Correct option: B.
2
(B) 2
Hint : Required number =(-3) - (-5) = -3+5
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MCQ 511 Mark
What must be subtracted from -1 to get -6?
  • 5
  • B
    -5
  • C
    7
  • D
    -7
Answer
Correct option: A.
5
(A) 5
Hint : -1-x = -6 → x = 1+6
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