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Binary Numbers Challenge

Total questions: 10

Worksheet time: 18mins

Name
Class
Date
1.

Convert 25 to binary.

a)

10011

b)

11001

c)

11100

d)

10101

2.

Convert 1101 to decimal.

a)

7

b)

15

c)

20

d)

13

3.

What is the binary representation of 0.75?

a)

0.10

b)

0.11

c)

0.111

d)

0.01

4.

Is 1010101 an even or odd binary number?

a)

odd

b)

binary

c)

even

d)

zero

5.

Convert 42 to binary.

a)

110011

b)

100101

c)

111000

d)

101010

6.

Convert 1110 to decimal.

a)

10

b)

12

c)

16

d)

14

7.

What is the binary representation of 0.625?

a)

0.101

b)

0.1001

c)

0.011

d)

0.110

8.

Is 1001001 an even or odd binary number?

a)

even

b)

odd

c)

zero

d)

binary

9.

Convert 99 to binary.

a)

1010101

b)

1001101

c)

1100011

d)

1110001

10.

Convert 1011 to decimal.

a)

100

b)

1100

c)

11

d)

10