Integers Test

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Integers Test - 5

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Weekly Quiz Competition

Question 1
1 / -0

Maya goes 35 km east from a point A to point B. From B, she moves 30 km west along the same road. If the distance travelled in the west direction is represented by a negative integer, how will you represent the distance travelled east? By which integer will you represent her final position from A?

A
Positive integer, 5 km

B
Negative integer, 3 km

C
Positive integer, 2 km

D
Negative integer, 8 km

Solution

Final position =(35−30)km=5km
Question 2
1 / -0

Where do we place the positive numbers on a vertical number line with respect to O?

A
Above

B
On its left side

C
On its right side

D
Below
Question 3
1 / -0

What do we call the set of negative numbers and whole numbers?

A
Natural numbers

B
Integers

C
Positive numbers

D
The set of whole numbers

Solution

The set of negative numbers and whole numbers is called integers. Z={,....−2,−1,,0,1,2,.....}
Question 4
1 / -0

At a shopping mall, the air conditioner is set so that it reduces temperature at the rate of 4oCevery hour. If at 10 a.m. the temperature inside the mail was 35oC what will be the temperature inside the mail at 6 p.m.?

A
4^oC

B
6^oC

C
3^oC

D
7^oC

Solution

At 10 a.m. temperature inside the mall =35^oC As temperature reduces by =4oC every hour ∴ At 6 p.m., temperature inside the mall =(35−(4×8))^oC=(35−32)^oC=3^oC
Question 5
1 / -0

Where are the negative numbers located on a horizontal number line?

A
On the right of 0

B
On the left of 0

C
Above 0

D
Below 0

Solution

All the other positive numbers to its right are greater than, the negative numbers are located on the left side of 0.
Question 6
1 / -0

With respect to which of the following operations is closure property satisfied by the set of integers?

A
+,×

B
+,÷,×

C
+,×,−

D
+,−,÷

Solution

The set of integers consists of zero (0), the positive natural numbers (1, 2, 3, …), also called whole numbers or counting numbers,[1][2] and their additive inverses (the negative integers, i.e., −1, −2, −3, …). The set of integers is often denoted by a boldface Z ("Z")
Question 7
1 / -0

Which of the following orders is used while evaluating an expression?

A
[],(),{}

B
{},(),[]

C
(),{},[]

D
(),[],{}

Solution

( ), { }, [ ] is the correct order of evaluation of brackets
Question 8
1 / -0

Which list of integers is in order from the least to the greatest?

A
−42,−39,−4, 40, 41

B
−42. 41, 40,−39,−4

C
−4,−39, 40, 41,−42

D
41, 40,−4,−39,−42

Solution

−42<−39<−4<40<4

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Integers Test - 5

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Integers Test - 5

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SHARING IS CARING

Question 1

Positive integer, 5 km

Negative integer, 3 km

Positive integer, 2 km

Negative integer, 8 km

Solution

Question 2

Above

On its left side

On its right side

Below

Question 3

Natural numbers

Integers

Positive numbers

The set of whole numbers

Solution

Question 4

4oC

6oC

3oC

7oC

Solution

Question 5

On the right of 0

On the left of 0

Above 0

Below 0

Solution

Question 6

+,×

+,÷,×

+,×,−

+,−,÷

Solution

Question 7

[],(),{}

{},(),[]

(),{},[]

(),[],{}

Solution

Question 8

−42,−39,−4, 40, 41

−42. 41, 40,−39,−4

−4,−39, 40, 41,−42

41, 40,−4,−39,−42

Solution

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4^oC

6^oC

3^oC

7^oC