MCQ 11 Mark
Mark against the correct answer in the following: The sum of two integers is $-25.$ If one of them is $30$ then the other is
AnswerLet $x$ be the other integer
$x + 30 = -25$
$x = -25 - 30$
$x = -55$
View full question & answer→MCQ 21 Mark
Mark against the correct answer in the following: The successor of $-18$ is:
AnswerIn succession, we move from the left to right of the number line.
View full question & answer→MCQ 31 Mark
Mark $(\checkmark)$ against the correct answer in the following: The predecessor of $-99$ is:
AnswerCorrect option: B. $-100$
The predecessor of a number lies to the left of the number.
$-100$ lies to the left of $-99.$
Hence,$-100$ is a predecessor of $-99.$
View full question & answer→MCQ 41 Mark
Mark $(\checkmark)$ against the correct answer in the following: Additive inverse of $-23$ is:
- A
$\frac{-1}{23}$
- B
$\frac{1}{23}$
- ✓
$23$
- D
$-23$
AnswerAdditive inverse of a number added to the number gives $0.$
$-23 + 23 = 0$
Hence, $23$ is the additive inverse of $-23.$
View full question & answer→MCQ 51 Mark
Mark $(\checkmark)$ against the correct answer in the following:When $34$ is subtracted from $-36,$ we get:
View full question & answer→MCQ 61 Mark
Mark against the correct answer in the following: $36 \div (-9) = ?$
Answer$36\div(-9)$
$=\frac{36}{-9}$
$= \frac{36}{9}\times(−1)$
$= -1 \times 4$
$= -4$
View full question & answer→MCQ 71 Mark
Mark against the correct answer in the following: On subtracting $-9 $ from $-6,$ we get:
AnswerWe have:
$-6 - (-9)$
$= -6 + 9$
$= 3$
View full question & answer→MCQ 81 Mark
Mark against the correct answer in the following: Which of the following is a true statement?
AnswerCorrect option: B. $-4 < -3$
Since $4$ is greater than $3, -4$ is less than $-3.$
View full question & answer→MCQ 91 Mark
Mark $(\checkmark)$ against the correct answer in the following: If $(−13 + 6)\ \Box−25−(−9)$, then the correct symbol in the place holder is:
AnswerHere,
$\text{L.H.S.} $
$= (-13 + 6)$
$= -7$
$\text{R.H.S.} $
$= -25 - (-9)$
$= -25 + 9$
$= -16$
$-7 > -16$
$\text{L.H.S.} > \text{R.H.S.}$
View full question & answer→MCQ 101 Mark
Mark against the correct answer in the following: $(-9) \times 6 + (-9) \times 4 = ?$
Answer$(-9) \times 6 + (-9) \times 4$
Using distributive law:
$(-9) \times (6 + 4)$
$= (-9) \times (10)$
$= -90$
View full question & answer→MCQ 111 Mark
Mark $(\checkmark)$ against the correct answer in the following: The successor of $-89$ is:
AnswerThe successor of $-89$ is $-88.$ The successor of a number lies towards its right on a number line.
$88$ lies to the right of $-89.$
View full question & answer→MCQ 121 Mark
Mark $(\checkmark)$ against the correct answer in the following: $? + (−8) = 12$
Answer$x + (-8) = 12$
$\Rightarrow x - 8 = 12$
$\Rightarrow x = 12 + 8$
$\Rightarrow x = 20$
View full question & answer→MCQ 131 Mark
Mark against the correct answer in the following: The sum of two integers is $-13.$ If one of them is $8$ then the other is:
AnswerLet $x$ be the other integer
$x + 8 = -13$
$x = -13 - 8$
$x = -21$
View full question & answer→MCQ 141 Mark
Mark against the correct answer in the following: $(-7) + (-9) + 12 + (-16) = ?$
Answer$(-7) + (-9) + 12 + (-16)$
$= -7 - 9 + 12 - 16$
$= -20$
View full question & answer→MCQ 151 Mark
Mark against the correct answer in the following: $2$ less than $-7$ is:
Answer$2$ less than $-7$ means the following:
$= -7 - 2$
$= -9$
View full question & answer→MCQ 161 Mark
Mark against the correct answer in the following: On subtracting $-8$ from $0,$ we get:
Answer$0 - (-8)$
$= 0 + 8$
$= 8$
View full question & answer→MCQ 171 Mark
Mark $(\checkmark)$ against the correct answer in the following: The integer which is $5$ more that $(-7)$ is:
Answer$5$ more than $(-7)$ means $5$ added to $(-7)$
$5 + (-7)$
$= 5 - 7$
$= -2$
View full question & answer→MCQ 181 Mark
Mark against the correct answer in the following: The predecessor of $-16$ is:
AnswerTo find the predecessor of a number, we move from the right to the left of a number line.
View full question & answer→MCQ 191 Mark
Mark $(\checkmark)$ against the correct answer in the following: What should be added to $16$ to get $(-31)?$
AnswerLet the number to be added to $16$ be $x$
$x + 16 = (-31)$
$\Rightarrow x = (-31) - 16$
$\Rightarrow x = -47$
View full question & answer→MCQ 201 Mark
Mark against the correct answer in the following: $6 - (-4) = ?$
Answer$6 - (-4)$
$= 6 + 4$
$= 10$
View full question & answer→MCQ 211 Mark
Mark against the correct answer in the following: The sum of two integers is $20.$ If one of them is $-5$ then the other is:
AnswerLet $x$ be the other integer
$x + (-5) = 20$
$x - 5 = 20$
$x = 25$
View full question & answer→MCQ 221 Mark
Mark against the correct answer in the following: $-12 - (-5) = ?$
Answer$-12 - (-5)$
$= -12 + 5$
$= -7$
View full question & answer→MCQ 231 Mark
Mark against the correct answer in the following: $8 + (-8) = ?$
Answer$8 + (-8)$
$= 8 - 8$
$= 0$
View full question & answer→MCQ 241 Mark
Mark against the correct answer in the following: $49 + (-27) = ?$
Answer$49 + (-27)$
$= 49 - 27$
$= 22$
View full question & answer→MCQ 251 Mark
Mark against the correct answer in the following: $(-6) \times 9 = ?$
AnswerWe have:
$(-6) \times 9$
$= -(6 \times 9)$
$= -54$
View full question & answer→MCQ 261 Mark
Mark against the correct answer in the following: $(-42) + (-35) = ?$
Answer$(-42) + (-35)$
$= -42 - 35$
$= -77$
View full question & answer→MCQ 271 Mark
Mark against the correct answer in the following: $4$ more than $-5$ is:
Answer$4$ more than $-5$ means the following:
$= -5 + 4$
$= -1$
View full question & answer→MCQ 281 Mark
Mark against the correct answer in the following: $(-37) + 6 = ?$
Answer$(-37) + 6$
$= -37 + 6$
$= -31$
View full question & answer→MCQ 291 Mark
Mark against the correct answer in the following: $5 - (-8) = ?$
Answer$5 - (-8)$
$= 5 + 8$
$= 13$
View full question & answer→MCQ 301 Mark
Mark against the correct answer in the following: $(-6) + 4 - (-3) = ?$
Answer$(-6) + 4 - (-3)$
$= -6 + 4 + 3$
$= -6 + 7$
$= 1$
View full question & answer→MCQ 311 Mark
Mark against the correct answer in the following: $7 + |-3| = ?$
Answer$7 + |-3|$
$= 7 + (+3) ($The absolute value of $-3$ is $3.)$
$= 7 + 3$
$= 10$
View full question & answer→MCQ 321 Mark
Mark against the correct answer in the following: $2$ less than $-3$ is:
Answer$2 $ less than $-3$ means the following:
$= -3 - 2$
$= -5$
View full question & answer→MCQ 331 Mark
Mark against the correct answer in the following: On subtracting $8$ from $-4,$ we get:
View full question & answer→MCQ 341 Mark
Mark against the correct answer in the following: On subtracting $-5$ from $10,$ we get:
AnswerWe have:
$10 - (-5)$
$= 10 + 5$
$= 15$
View full question & answer→MCQ 351 Mark
Mark against the correct answer in the following: The additive inverse of $-5$ is:
AnswerIf we add the additive inverse of a number to the number, we get $0.$
$-5 + 5 = 0$
View full question & answer→