Integers Test

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Integers Test - 17

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following option is not true with respect to given number line?

A
$B$ is greater than $-10$

B
$A$ is greater than $0$

C
$A$ is greater than $B$

D
$B$ is greater than $0$

Solution

We have,
$A=8$ and $B=-4$
The numbers on the number line increase on moving from left to right on the number line. The point $B$ is left to the number $0$ , so $B$ is less than $0.$ .
$A. \,-4 > -10 \Rightarrow B > -10$ True
$B$ is right to $-10$ . So, $B$ is greater.

$B.\, 8>0 \Rightarrow A > 0$ True
$A$ is right to $0$ . So, $A$ is greater.

$C. A > -4 \Rightarrow A > B$ True
$A$ is right to $B$ . So, $A$ is greater.

$D. \, As \,-4<0 \Rightarrow B < 0$ . So, $B> 0$ is false.
$0$ is right to $B$ . So, $0$ is greater.
Question 2
1 / -0

Which situation is best represented by the integer $-12$ ?

A
The length of curtains is increased by $12$ inches

B
The price of petrol is reduced by Rs. $12$

C
The size of picture is enlarged by $12$ percent

D
The temperature rises by ${12}^{o}C$

Solution

Let increase in the petrol be represented by $+$ and decrease in the petrol be represented by $-$ .
Situation in option (a), (c), (d) represents $+12$
SItuation in option (b) represents $-12$
Answer B
Question 3
1 / -0

The integer $5$ units to the right of $0$ on the number line is:

A
$+5$

B
$-5$

C
$+4$

D
$-4$

Solution

Option $A$ is right.
The integer $5$ units to the right of $0$ on the number line' is $0+5$ $=+5$ .
Question 4
1 / -0

Subtract $-134$ from $-38$

A
$-96$

B
$96$

C
$-183$

D
$183$

Solution

As per the question : $-38-(-134)=-38+134=96$
Question 5
1 / -0

Which of the following is not an integer?

A
$0$

B
$-1$

C
$-1.5$

D
$1$

Solution

An integer is a whole number which can be positive negative or zero. the set of integers is denoted by $Z$ and defined by
$Z=\{0,\pm 1,\pm 2,\pm 3\cdots\}$

So options $A,B,D$ all are integers.

And option C which is 1.5 is not an integer.

Hence option $\textbf C$ is correct answer.
Question 6
1 / -0

$(- 35) + (-32)$ is equal to

A
$67$

B
$-67$

C
$-3$

D
$3$

Solution

Now,
$(-35)+(-32)$
$=-35-32$
$=-67$ .
Question 7
1 / -0

$(-29)+5$ is equal to

A
$24$

B
$34$

C
$-34$

D
$-24$

Solution

Let $(-29)+5=x$ we can see that $29$ has negative sign and $5$ has positive sign.
So $+$ and $-$ will be $-$
So $-29+5=-24$ because $24$ will have sign of $29$ .

Option (D)
Question 8
1 / -0

Which of the following statement is true?

A
$- 7 > - 5$

B
$- 7 < - 5$

C
$(- 7) + (- 5) > 0$

D
$(- 7)- (- 5) > 0$

Solution

We know that,
$7>5$
then $-7<-5$ .
Again,
$(-7)+(-5)=-7-5=-12<0$ .
And, $(-7)-(-5)$
$=-7+5=-2<0$ .
So option (B) is correct.
Question 9
1 / -0

The successor of $- 22$ is

A
$-23$

B
$-21$

C
$23$

D
$21$

Solution

The successor of the number $-22$ is the number just after it.
And it is $=-22+1=-21$ .
Question 10
1 / -0

Answer the following using number line.
$6$ more than $- 7$ is

A
$1$

B
$-1$

C
$13$

D
$-13$

Solution

$-7+6=-1$

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Re-Attempt Weekly Quiz Competition

Integers Test - 17

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Integers Test - 17

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Question 1

BBB is greater than −10-10−10

AAA is greater than 000

AAA is greater than BBB

BBB is greater than 000

Solution

Question 2

The length of curtains is increased by 121212 inches

The price of petrol is reduced by Rs. 121212

The size of picture is enlarged by 121212 percent

The temperature rises by 12oC{12}^{o}C12oC

Solution

Question 3

+5+5+5

−5-5−5

+4+4+4

−4-4−4

Solution

Question 4

−96-96−96

969696

−183-183−183

183183183

Solution

Question 5

000

−1-1−1

−1.5-1.5−1.5

111

Solution

Question 6

676767

−67-67−67

−3-3−3

333

Solution

Question 7

242424

343434

−34-34−34

−24-24−24

Solution

Question 8

−7>−5- 7 > - 5 −7>−5

−7<−5- 7 < - 5 −7<−5

(−7)+(−5)>0(- 7) + (- 5) > 0 (−7)+(−5)>0

(−7)−(−5)>0(- 7)- (- 5) > 0(−7)−(−5)>0

Solution

Question 9

−23-23−23

−21-21−21

232323

212121

Solution

Question 10

111

−1-1−1

131313

−13-13−13

Solution

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$B$ is greater than $-10$

$A$ is greater than $0$

$A$ is greater than $B$

$B$ is greater than $0$

The length of curtains is increased by $12$ inches

The price of petrol is reduced by Rs. $12$

The size of picture is enlarged by $12$ percent

The temperature rises by ${12}^{o}C$

$+5$

$-5$

$+4$

$-4$

$-96$

$96$

$-183$

$183$

$0$

$-1$

$-1.5$

$1$

$67$

$-67$

$-3$

$3$

$24$

$34$

$-34$

$-24$

$- 7 > - 5$

$- 7 < - 5$

$(- 7) + (- 5) > 0$

$(- 7)- (- 5) > 0$

$-23$

$-21$

$23$

$21$

$1$

$-1$

$13$

$-13$