Whole Numbers - JSS3 Mathematics Past Questions and Answers - page 1

1

What is the decimal equivalent of the binary number 1010?

A

8

B

10

C

12

D

15

correct option: b
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2

Which of the following is the binary representation of the decimal number 9?

A

1001

B

1100

C

1010

D

1111

correct option: a
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3

How many bits are there in the binary number 11101?

A

3

B

4

C

5

D

6

correct option: c
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4

What is the binary representation of the decimal number 5?

A

101

B

110

C

111

D

100

correct option: a
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5

If you multiply 7 by 6 on a calculator, what is the result?

A

36

B

42

C

48

D

54

correct option: b
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6

Which of the following operations would you perform to find the product of 8 and 5?

A

Addition

B

Subtraction

C

Multiplication

D

Division

correct option: c
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7

In a programming language, what would be the output of the expression 9 - 4?

A

3

B

5

C

7

D

9

correct option: b
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8

John has 5 apples, and he buys 3 more. How many apples does he have now?

A

7

B

8

C

9

D

10

correct option: b
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9

A pack of 6 bottles costs $2 each. If you buy 3 packs, how much do you spend?

A

$12

B

$18

C

$24

D

$36

correct option: d
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10

A rectangle's length is 4 more than its width. If the width is 𝑤, what is the expression for the length?

A

𝑤+2

B

𝑤+3

C

𝑤+4

D

𝑤+5

correct option: c
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