Number Base - JSS1 Mathematics Past Questions and Answers - page 1

1

What is the decimal equivalent of the binary number 101?

A

1

B

3

C

5

D

7

correct option: c
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2

What is the result of adding the binary numbers 1101 and 101?

A

1000

B

1210

C

1211

D

1110

correct option: d
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3

How do you represent the number 7 in binary?

A

0111

B

1000

C

111

D

101

correct option: a
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4

Which operation is used to convert a decimal number to binary?

A

Subtraction

B

Addition

C

Multiplication

D

Division

correct option: d
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5

What is the binary subtraction result of 1010 - 011?

A

1101

B

1001

C

111

D

0101

correct option: b
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6

What is the product of the binary numbers 101 and 11?

A

1001

B

110

D

10011

correct option: d
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7

How is the number 13 represented in binary?

A

1011

B

1101

C

1110

D

1001

correct option: b
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8

Which base system uses only the digits 0 and 1?

A

Binary

B

Decimal

C

Hexadecimal

D

Octal

correct option: a
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9

What is the decimal equivalent of the binary number 1110?

A

6

B

7

C

13

D

14

correct option: d
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10

Which step is essential in binary addition to handle carryovers?

A

Dividing

B

Multiplying

C

Borrowing

D

Subtracting

correct option: c
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