Question 11 Mark
Find
$(-83) \times(-28)$
$(-83) \times(-28)$
Answer
View full question & answer→We have,
$
(-83) \times(-28)=83 \times 28=2324
$
$
(-83) \times(-28)=83 \times 28=2324
$
Questions · Page 1 of 2
1 Marks Question
🎯
Test yourself on this topic
50 questions · timed · auto-graded
Question 21 Mark
Find
$(-25) \times(-72)$
$(-25) \times(-72)$
Answer
View full question & answer→We have,
$
(-25) \times(-72)=25 \times 72=1800
$
$
(-25) \times(-72)=25 \times 72=1800
$
Question 31 Mark
Find
$(-31) \times(-100)$
$(-31) \times(-100)$
Answer
View full question & answer→We have,
$
(-31) \times(-100)=31 \times 100=3100
$
$
(-31) \times(-100)=31 \times 100=3100
$
Question 41 Mark
Find
$(-55) \times 5$
$(-55) \times 5$
Answer
View full question & answer→We have,
$(-55) \times 15=-(55 \times 15)=-825$
$(-55) \times 15=-(55 \times 15)=-825$
Question 51 Mark
Find
$(-42) \times 12$
$(-42) \times 12$
Answer
View full question & answer→We have,
$(-42) \times 12=-(42 \times 12)=-504$
$(-42) \times 12=-(42 \times 12)=-504$
Question 61 Mark
Find
$21 \times(-32)$
$21 \times(-32)$
Answer
View full question & answer→We have,
$21 \times(-32)=-(21 \times 32)=-672$
$21 \times(-32)=-(21 \times 32)=-672$
Question 71 Mark
Find
$15 \times(-16)$
$15 \times(-16)$
Answer
View full question & answer→We have,
$15 \times(-16)=-(15 \times 16)=-240$
$15 \times(-16)=-(15 \times 16)=-240$
Question 81 Mark
Find
$7 \times(-22)$
$7 \times(-22)$
Answer
View full question & answer→We have,
$7 \times(-22)=-(7 \times 22)=-154$
$7 \times(-22)=-(7 \times 22)=-154$
Question 91 Mark
Find
$12 \times(-32)$
$12 \times(-32)$
Answer
View full question & answer→We have,
$12 \times(-32)=-(12 \times 32)=-384$
$12 \times(-32)=-(12 \times 32)=-384$
Question 101 Mark
Find
$6 \times(-19)$
$6 \times(-19)$
Answer
View full question & answer→We have,
$6 \times(-19)=-(6 \times 19)=-114$
$6 \times(-19)=-(6 \times 19)=-114$
Question 111 Mark
Find using number line.
$10 \times(-1)$
$10 \times(-1)$
Answer
View full question & answer→-10
Question 121 Mark
Find using number line.
$3 \times(-7)$
$3 \times(-7)$
Answer
View full question & answer→-21
Question 131 Mark
Find using number line.
$8 \times(-2)$
$8 \times(-2)$
Answer
View full question & answer→-16
Question 141 Mark
Find using number line.
$4 \times(-8)$
View full question & answer→$4 \times(-8)$
Question 151 Mark
Write a pair of integers whose difference gives
an integer greater than both the integers.
an integer greater than both the integers.
Answer
View full question & answer→Let the pair be 14 and -6.
$\therefore$ Difference $=14-(-6)=14+6=20$,
which is greater than both the integer.
$\therefore$ Difference $=14-(-6)=14+6=20$,
which is greater than both the integer.
Question 161 Mark
Write a pair of integers whose difference gives
an integer greater than only one of the integers.
an integer greater than only one of the integers.
Answer
View full question & answer→Let the pair be 17 and 5.
$\therefore$ Difference $=17-5=12$,
which is greater than only one of the integers.
$\therefore$ Difference $=17-5=12$,
which is greater than only one of the integers.
Question 171 Mark
Write a pair of integers whose difference gives
an integer smaller than both the integers.
an integer smaller than both the integers.
Answer
View full question & answer→Let the pair be 5 and 8.
$\therefore$ Difference $=8-5=3$,
which is smaller than both the integers.
$\therefore$ Difference $=8-5=3$,
which is smaller than both the integers.
Question 181 Mark
Write a pair of integers whose difference gives
zero.
zero.
Answer
View full question & answer→Let the pair be -5 be -5.
$\therefore$ Difference $=-5-(-5)=-5+5=0$
which is a zero.
$\therefore$ Difference $=-5-(-5)=-5+5=0$
which is a zero.
Question 191 Mark
Write a pair of integers whose difference gives
a negative integer.
a negative integer.
Answer
View full question & answer→Let the pair be 3 and -8.
$\therefore$ Difference $=-8-3=-11$,
which is a negative integer.
$\therefore$ Difference $=-8-3=-11$,
which is a negative integer.
Question 201 Mark
Write a pair of integers whose sum gives
an integer greater than both the integers.
an integer greater than both the integers.
Answer
View full question & answer→Let the pair be 18 and 17.
$
\therefore \text { Sum }=18+17=35 \text {, }
$
which is greater than 18 and 17.
$
\therefore \text { Sum }=18+17=35 \text {, }
$
which is greater than 18 and 17.
Question 211 Mark
Write a pair of integers whose sum gives
an integer smaller than only one of the integers.
an integer smaller than only one of the integers.
Answer
View full question & answer→Let the pair be 5 and - 3.
$
\therefore \text { Sum }=5+(-3)=2 \text {, }
$
which is greater than -3 and smaller than 5.
$
\therefore \text { Sum }=5+(-3)=2 \text {, }
$
which is greater than -3 and smaller than 5.
Question 221 Mark
Write a pair of integers whose sum gives
an integer smaller than both the integers.
an integer smaller than both the integers.
Answer
View full question & answer→Let the pair be -5 and -3.
$
\therefore \text { Sum }=(-5)+(-3)=-5-3=-8
$
which is smaller than -5 and -3.
$
\therefore \text { Sum }=(-5)+(-3)=-5-3=-8
$
which is smaller than -5 and -3.
Question 231 Mark
Write a pair of integers whose sum gives
zero.
zero.
Answer
View full question & answer→Let the pair be -15 and 15.
$
\therefore \text { Sum }=-15+15=0
$
which is a zero.
$
\therefore \text { Sum }=-15+15=0
$
which is a zero.
Question 241 Mark
Write a pair of integers whose sum gives
a negative integer.
a negative integer.
Answer
View full question & answer→Let the pair be -6 and -6.
$
\therefore \text { Sum }=(-6)+(-6)=-6-6=-12
$
which is a negative integer.
$
\therefore \text { Sum }=(-6)+(-6)=-6-6=-12
$
which is a negative integer.
Question 251 Mark
Find
$(-325) \div(-13)$
$(-325) \div(-13)$
Answer
View full question & answer→We have, $(-325) \div(-13)=325 \div13=\frac{325}{13}=25$
Question 261 Mark
Find
$(-201) \div(-3)$
$(-201) \div(-3)$
Answer
View full question & answer→We have, $(-201) \div(-3)=201 \div3=\frac{201}{3}=67$
Question 271 Mark
Find
$(-36) \div(-4)$
$(-36) \div(-4)$
Answer
View full question & answer→We have, $(-36) \div(-4)=36 \div4=\frac{36}{4}=9$
Question 281 Mark
Find
$64 \div(-16)$
$64 \div(-16)$
Answer
View full question & answer→We have, $64 \div(-16)=-(64 \div16)=\frac{-64}{16}=-4$
Question 291 Mark
Find
$80 \div(-5)$
$80 \div(-5)$
Answer
View full question & answer→We have, $80 \div(-5)=-(80 \div5)=\frac{-80}{5}=-16$
Question 301 Mark
Find
$125 \div(-25)$
$125 \div(-25)$
Answer
View full question & answer→We have, $125 \div(-25)=-(125 \div25)=\frac{-125}{25}=-5$
Question 311 Mark
Find
$(-32) \div2$
$(-32) \div2$
Answer
View full question & answer→We have, $(-32) \div2=-(32 \div2)=\frac{-32}{2}=-16$
Question 321 Mark
Find
$(-75) \div5$
$(-75) \div5$
Answer
View full question & answer→We have, $(-75) \div5=-(75 \div5)=\frac{-75}{5}=-15$
Question 331 Mark
Find
$(-81) \div9$
$(-81) \div9$
Answer
View full question & answer→We have, $(-81) \div 9=-(81 \div9)=\frac{-81}{9}=-9$
Question 341 Mark
Find
$(-100) \div5$
$(-100) \div5$
Answer
View full question & answer→We have, $(-100) \div5=-(100 \div5)=\frac{-100}{5}=-20$
Question 351 Mark
Evaluate each of the following.
$[(-6)+5] \div[(-2)+1]$
$[(-6)+5] \div[(-2)+1]$
Answer
View full question & answer→We have,
$[(-6)+5] \div[(-2)+1]=(-1) \div[(-2)+1]$$
=(-1) \div(-1)=\frac{-1}{-1}=1
$
$[(-6)+5] \div[(-2)+1]=(-1) \div[(-2)+1]$$
=(-1) \div(-1)=\frac{-1}{-1}=1
$
Question 361 Mark
Evaluate each of the following.
$[(-36) \div12] \div3$
$[(-36) \div12] \div3$
Answer
View full question & answer→We have, $[(-36) \div 12] \div 3=(-3) \div 3=\frac{-3}{3}=-1$
Question 371 Mark
Evaluate each of the following.
$(-31) \div[(-30)+(-1)]$
$(-31) \div[(-30)+(-1)]$
Answer
View full question & answer→We have,
$(-31) \div[(-30)+(-1)]$$
=(-31) \div(-31)=\frac{31}{31}=1
$
$(-31) \div[(-30)+(-1)]$$
=(-31) \div(-31)=\frac{31}{31}=1
$
Question 381 Mark
Evaluate each of the following.
$0 \div(-12)$
$0 \div(-12)$
Answer
View full question & answer→We have, $0 \div(-12)=\frac{0}{-12}=0$
Question 391 Mark
Evaluate each of the following.
$13 \div[(-2)+1]$
$13 \div[(-2)+1]$
Answer
View full question & answer→We have,
$13 \div[(-2)+1]=13 \div(-1)$$
=-(13 \div1)=-\left(\frac{13}{1}\right)=-13
$
$13 \div[(-2)+1]=13 \div(-1)$$
=-(13 \div1)=-\left(\frac{13}{1}\right)=-13
$
Question 401 Mark
Evaluate each of the following.
$(-49) \div(49)$
$(-49) \div(49)$
Answer
View full question & answer→We have,
$(-49) \div49=-(49 \div 49)=-\left(\frac{49}{49}\right)=-1$
$(-49) \div49=-(49 \div 49)=-\left(\frac{49}{49}\right)=-1$
Question 411 Mark
Evaluate each of the following.
$(-36) \div(-9)$
$(-36) \div(-9)$
Answer
View full question & answer→We have, $(-36) \div(-9)=\frac{-36}{-9}=4$
Question 421 Mark
Evaluate each of the following.
$50 \div(-5)$
$50 \div(-5)$
Answer
View full question & answer→We have, $50 \div(-5)=-(50 \div5)=-\left(\frac{50}{5}\right)=-10$
Question 431 Mark
Evaluate each of the following.
$(-30) \div10$
$(-30) \div10$
Answer
View full question & answer→We have,
$(-30) \div10=-(30 \div10)=-\left(\frac{30}{10}\right)=-3$
$(-30) \div10=-(30 \div10)=-\left(\frac{30}{10}\right)=-3$
Question 441 Mark
Verify the following.
$(-21) \times[(-4)+(-6)]$ $=[(-21) \times(-4)]+[(-21) \times(-6)]$
$(-21) \times[(-4)+(-6)]$ $=[(-21) \times(-4)]+[(-21) \times(-6)]$
Answer
View full question & answer→We have, $18 \times[7+(-3)]=[18 \times 7]+[18 \times(-3)]$
$\begin{array}{l}\therefore \text { LHS }=18 \times[7+(-3)]=18 \times(7-3)=18 \times 4=72 \\
\text { and } \\
\text { RHS }=[18 \times 7]+[18 \times(-3)] \\
=126+[(-54)] \\
=126-54=72 \\
\because \text { LHS }=\text { RHS } \\
\text { Hence, } 18 \times[7+(-3)]=[18 \times 7]+[18 \times(-3)]\end{array}$
$\begin{array}{l}\therefore \text { LHS }=18 \times[7+(-3)]=18 \times(7-3)=18 \times 4=72 \\
\text { and } \\
\text { RHS }=[18 \times 7]+[18 \times(-3)] \\
=126+[(-54)] \\
=126-54=72 \\
\because \text { LHS }=\text { RHS } \\
\text { Hence, } 18 \times[7+(-3)]=[18 \times 7]+[18 \times(-3)]\end{array}$
Question 451 Mark
Find each of the following products.
$(-3) \times(-6) \times(-2) \times(-1)$
$(-3) \times(-6) \times(-2) \times(-1)$
Answer
View full question & answer→We have,
$\begin{aligned}
(-3) \times(-6) \times(-2) \times(-1) & =3 \times 6 \times 2 \times 1 =36\\ \end{aligned}$
$\begin{aligned}
(-3) \times(-6) \times(-2) \times(-1) & =3 \times 6 \times 2 \times 1 =36\\ \end{aligned}$
Question 461 Mark
Find each of the following products.
$(-1) \times(-2) \times(-3) \times 4$
$(-1) \times(-2) \times(-3) \times 4$
Answer
View full question & answer→We have,
$(-1) \times(-2) \times(-3) \times 4=-(1 \times 2 \times 3 \times 4)=-24$$$
$(-1) \times(-2) \times(-3) \times 4=-(1 \times 2 \times 3 \times 4)=-24$$$
Question 471 Mark
Find each of the following products.
$(-18) \times(-5) \times(-4)$
$(-18) \times(-5) \times(-4)$
Answer
View full question & answer→We have,
$(-18) \times(-5) \times(-4)=-(18 \times 5 \times 4)=-360$$$
$(-18) \times(-5) \times(-4)=-(18 \times 5 \times 4)=-360$$$
Question 481 Mark
Find each of the following products.
$9 \times(-3) \times(-6)$
$9 \times(-3) \times(-6)$
Answer
View full question & answer→We have,
$9 \times(-3) \times(-6)=9 \times 3 \times 6=27 \times 6=162$
$9 \times(-3) \times(-6)=9 \times 3 \times 6=27 \times 6=162$
Question 491 Mark
Find each of the following products.
$(-12) \times(-11) \times(10)$
$(-12) \times(-11) \times(10)$
Answer
View full question & answer→We have,
$(-12) \times(-11) \times 10=12 \times 11 \times 10$ $=132 \times 10=1320$
$(-12) \times(-11) \times 10=12 \times 11 \times 10$ $=132 \times 10=1320$
Question 501 Mark
Find each of the following products.
$(-15) \times 0 \times(-18)$
$(-15) \times 0 \times(-18)$
Answer
View full question & answer→We have,
$(-15) \times 0 \times(-18)=[(-15) \times 0] \times(-18)$ $=0 \times(-18)=0$
$(-15) \times 0 \times(-18)=[(-15) \times 0] \times(-18)$ $=0 \times(-18)=0$