Integers Test

Result

Integers Test - 15

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Weekly Quiz Competition

Question 1
1 / -0

Do the following as directed.
Subract $$15$$ from $$19$$

A
$$-4$$

B
$$4$$

C
$$34$$

D
$$-34$$

Solution

$$19-15$$
$$=4$$
Question 2
1 / -0

$$0$$ is greater than every...........integer.

A
negative

B
positive

C
rational

D
irrational

Solution

$$0$$ is grater than every $$negative$$ integer.
Question 3
1 / -0

Which of the following is the lowest integer?

A
$$1$$

B
$$-1$$

C
$$0$$

D
$$-0$$

Solution

$$-1$$ is the smallest integer from given numbers.
Question 4
1 / -0

Which of the following expressions is not true ?

A
$$2 > -1$$

B
$$-5 < -2$$

C
$$0 < 7$$

D
$$-6 > -5$$

Solution

Given $$(A)2>-1$$ $$(B)-5<-2$$ $$(C)0<7$$ $$(D)-6>-5$$

out of the given expressions only option $$D$$ is wrong as $$-6$$ is less than $$-5$$
Question 5
1 / -0

$$(-37) + 6 =?$$

A
$$-43$$

B
$$-31$$

C
$$31$$

D
None of these

Solution

$${\textbf{Step -1: Solve using BODMAS rule}}{\textbf{.}}$$
$$\Rightarrow\left( { - 37} \right) + 6$$ $$ = - 37 + 6$$
$$ = - 31$$

$${\textbf{Hence, the correct option is B.}} $$
Question 6
1 / -0

$$(-42) + (-35) =?$$

A
$$-7$$

B
$$7$$

C
$$-77$$

D
None of these

Solution

$$(-42) + (-35)$$
$$ = -42 – 35$$
$$=-(42+35)=-77$$
Option $$(C)$$ is the correct answer
Question 7
1 / -0

Calculate: $$-12-(-7)$$

A
$$5$$

B
$$-5$$

C
$$15$$

D
$$-19$$

Solution

$$ -12 - (-7) $$
$$ = -12 + 7 = -5$$
Question 8
1 / -0

"Rajanikant had loss of Rs.$$238$$ ."
This is represented by

A
$$+238\%$$

B
$$-238\%$$

C
$$+238$$

D
$$-238$$

Solution

Loss of $$238$$. From the reference level, loss $$= -$$ve and profit is $$= +$$ve.
Therefore loss of 238$$=-238$$
Question 9
1 / -0

Integer used to represent $$30$$ km towards the right:

A
$$30$$ km left

B
$$-30$$ km

C
$$+30$$ km

D
$$0$$

Solution

The integer used to represent $$30$$ km towards the west is $$ +30 $$ km
Hence, the answer is $$+30$$ km.
Question 10
1 / -0

The temperature at the foot of a mountain is $$+5^{\circ}$$C. It fell down by $$10^{\circ}$$C at the top of the mountain. The temperature recorded on the top is:

A
$$+15^{\circ}$$C

B
$$-15^{\circ}$$C

C
$$+5^{\circ}$$C

D
$$-5^{\circ}$$C

Solution

It is given that the temperature at the foot of a mountain is $$+5^0$$C and it fell down by $$10^0$$C at the top of the mountain which can be represented as $$-10^0$$C.

Adding both to find the temperature recorded on the top as follows:

$$(+5)+(-10)=5-10=-5$$

Hence, the temperature recorded on the top is $$-5^0$$C.

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Re-Attempt Weekly Quiz Competition

Integers Test - 15

Result

Integers Test - 15

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SHARING IS CARING

Question 1

$$-4$$

$$4$$

$$34$$

$$-34$$

Solution

Question 2

negative

positive

rational

irrational

Solution

Question 3

$$1$$

$$-1$$

$$0$$

$$-0$$

Solution

Question 4

$$2 > -1$$

$$-5 < -2$$

$$0 < 7$$

$$-6 > -5$$

Solution

Question 5

$$-43$$

$$-31$$

$$31$$

None of these

Solution

Question 6

$$-7$$

$$7$$

$$-77$$

None of these

Solution

Question 7

$$5$$

$$-5$$

$$15$$

$$-19$$

Solution

Question 8

$$+238\%$$

$$-238\%$$

$$+238$$

$$-238$$

Solution

Question 9

$$30$$ km left

$$-30$$ km

$$+30$$ km

$$0$$

Solution

Question 10

$$+15^{\circ}$$C

$$-15^{\circ}$$C

$$+5^{\circ}$$C

$$-5^{\circ}$$C

Solution

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