Integers Test

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Integers Test - 39

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Weekly Quiz Competition

Question 1
1 / -0

The integer with a negative sign $$(-)$$ is always less than

A
$$0$$

B
$$-3$$

C
$$-1$$

D
$$-2$$

Solution

Option $$A$$ is right.
Infact all the negative integers are less than zero.
Question 2
1 / -0

On subtracting $$ -7 $$ from $$ -4 $$ , we get

A
$$ 3 $$

B
$$ -3 $$

C
$$ -11 $$

D
None of these

Solution

$$\begin{aligned}{} - 4 - ( - 7) &= - 4 + 7\\ &= 3\end{aligned}$$

Hence, if $$-7$$ is subtracted from $$-4$$ then we get $$3.$$
Question 3
1 / -0

The least integer lying between $$-10$$ and $$-15$$ is

A
$$-10$$

B
$$-11$$

C
$$-14$$

D
$$-15$$

Solution

Option $$C$$ is right.
$$-14$$ is the greatest integer lying between $$-10$$ and $$-15$$.
Question 4
1 / -0

Find the value of:
$$(-8) + (-9) $$

A
$$ 18 $$

B
$$ -18 $$

C
$$ 16 $$

D
$$ -17 $$

Solution

Given: $$(-8) + (-9)$$
$$=-8-9$$
$$= -17$$
Question 5
1 / -0

An integer with positive sign (+) is always greater than

A
$$0$$

B
$$1$$

C
$$2$$

D
$$3$$

Solution

Every positive integer lie to the right of $$0$$ on the number line.
So, all the positive integers are greater than $$0$$

Hence, $$Op-A$$ is true.
Question 6
1 / -0

When a negative integer is subtracted from another negative integer, the sign of the result

A
is always negative

B
is always positive

C
is never negative

D
depends on the numerical value of the integers

Solution

Option $$D$$ is right.
When negative integer is subtracted from another negative integer result depends on the numerical value of the integers.
Question 7
1 / -0

The additive inverse of a negative integer

A
is always negative

B
is always positive

C
is the same integer

D
zero

Solution

Let $$-a$$ be the negative integer.

Thus its additive inverse becomes $$-(-a)$$ which is equal to $$a$$.

Hence additive inverse of a negative integer is always positive.

Option $$B$$ is right.
Question 8
1 / -0

Which of the following statements is not true?

A
When two positive integers are added, we always get a positive integer.

B
When two negative integers are added, we always get a negative integer.

C
When a positive integer and a negative integer is added we always get a negative integer.

D
None of these

Solution

Option (c) is correct; if we add a positive and a negative integer, may be zero or positive integers obtained, therefore, the statement (c) is false.
Question 9
1 / -0

On the number line, the value of $$(-3) \times 3$$ lies on right hand side of

A
$$-10$$

B
$$-4$$

C
$$0$$

D
$$9$$

Solution

Option (a) is correct. Since,$$(-3) \times 3 = -9$$ . Hence, -10 will lie on the left-hand side of it. Thus -9 lies on the right hand side of -10.
Question 10
1 / -0

$$(-11) \times 7$$ is not equal to

A
$$11 \times(-7)$$

B
$$-(11 \times 7)$$

C
$$(-11) \times(-7)$$

D
$$7 \times(-11)$$

Solution

Option (c) is correct.
$$\Rightarrow(-11) \times 7=-77$$
$$\therefore(-11 \times 7=-77) \neq(-11 \times-7)=77$$

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Re-Attempt Weekly Quiz Competition

Integers Test - 39

Result

Integers Test - 39

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SHARING IS CARING

Question 1

$$0$$

$$-3$$

$$-1$$

$$-2$$

Solution

Question 2

$$ 3 $$

$$ -3 $$

$$ -11 $$

None of these

Solution

Question 3

$$-10$$

$$-11$$

$$-14$$

$$-15$$

Solution

Question 4

$$ 18 $$

$$ -18 $$

$$ 16 $$

$$ -17 $$

Solution

Question 5

$$0$$

$$1$$

$$2$$

$$3$$

Solution

Question 6

is always negative

is always positive

is never negative

depends on the numerical value of the integers

Solution

Question 7

is always negative

is always positive

is the same integer

zero

Solution

Question 8

When two positive integers are added, we always get a positive integer.

When two negative integers are added, we always get a negative integer.

When a positive integer and a negative integer is added we always get a negative integer.

None of these

Solution

Question 9

$$-10$$

$$-4$$

$$0$$

$$9$$

Solution

Question 10

$$11 \times(-7)$$

$$-(11 \times 7)$$

$$(-11) \times(-7)$$

$$7 \times(-11)$$

Solution

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