Integers Test

Result

Integers Test - 3

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Weekly Quiz Competition

Question 1
1 / -0

Multiplication of integers is

A
both commutative and associative

B
commutative

C
associative

D
neither commutative nor associative

Solution

For any two integers a and b, a × b = b × a

And, a × (b × c) = (a × b) × c

So, multiplication of integers is both commutative and associative.
Question 2
1 / -0

The sum of two positive integers is ______.

A
Both positive and negative

B
positive or negative

C
negative

D
positive

Solution

The sum of two positive integers is always positive.
Question 3
1 / -0

The arrangement of integers 20, -1, 0, -5, -21, -9 in ascending order is

A
-5, 0, -1, -21, 20, 9

B
-21, -9, -5, -1, 0, 20

C
20, -9, 0, -1, -5, -21

D
0, 20, -1, -9, -5, -21

Solution

Ascending order means arranging the numbers from smallest to highest.

Smallest number is the highest negative number, which is -21.

Then the highest negative number from the remaining numbers is -9

Then -5 followed by -1.

0 is greater than negative numbers and smaller than positive numbers.

The highest number is 20.

So the arrangement in ascending order is -21, -9, -5, -1, 0, 20
Question 4
1 / -0

If freezing point is 0^oC, then 24^oC above freezing point can be written as

A
-24^oC

B
48^oC

C
0^oC

D
+24^oC

Solution

24^oC above the freezing point 0^oC means

0 + 24 = +24^oC
Question 5
1 / -0

A gain of Rs. 5000 equals to ______ .

A
+ 500

B
+5000

C
-5000

D
+ 10000

Solution

A gain of 5000 is represented as + 5000.
Question 6
1 / -0

The integer -2 - (-5) can also be written as

A
2 + 5

B
-2 + 5

C
2 - 5

D
-2 + (-5)

Solution

Negative of a negative integer is a positive integer

So - (-5) = +5

So -2 - (-5) = -2 + 5
Question 7
1 / -0

Which number completes the below pattern of integers? -12, -9, -6, -3

A
1

B
-1

C
-2

D
zero

Solution

When we add 3 to -12 we get -9

When we add 3 to -9 we get -6

When we add 3 to -6 we get -3

When we add 3 to -3 we get 0
Question 8
1 / -0

The numbers -3, 0, 8, are all ______.

A
Whole number

B
Integers

C
Counting numbers

D
Natural numbers

Solution

The numbers -3, 0, 8, are all integers.
Question 9
1 / -0

At mid-night, the temperature was 0^oC. Two hours later it was 5^oC colder. This means the temperature was

A
+10^oC

B
+5^oC

C
+8^oC

D
-5^oC

Solution

Temperature at mid-night= 0^oC

Temperature after 2 hours = 5° colder= 5° below 0^oC= -5^oC

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Integers Test - 3

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Integers Test - 3

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SHARING IS CARING

Question 1

both commutative and associative

commutative

associative

neither commutative nor associative

Solution

Question 2

Both positive and negative

positive or negative

negative

positive

Solution

Question 3

-5, 0, -1, -21, 20, 9

-21, -9, -5, -1, 0, 20

20, -9, 0, -1, -5, -21

0, 20, -1, -9, -5, -21

Solution

Question 4

-24oC

48oC

0oC

+24oC

Solution

Question 5

+ 500

+5000

-5000

+ 10000

Solution

Question 6

2 + 5

-2 + 5

2 - 5

-2 + (-5)

Solution

Question 7

1

-1

-2

zero

Solution

Question 8

Whole number

Integers

Counting numbers

Natural numbers

Solution

Question 9

+10oC

+5oC

+8oC

-5oC

Solution

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-24^oC

48^oC

0^oC

+24^oC

+10^oC

+5^oC

+8^oC

-5^oC