Free Printable Number System Conversion Challenge

1.

What is the decimal equivalent of the binary number 1011?

a)

11

b)

10

c)

14

d)

12

2.

Convert the decimal number 25 to binary.

a)

10101

b)

11001

c)

11010

d)

11100

3.

What is the decimal equivalent of the hexadecimal number 1A?

a)

24

b)

30

c)

1B

d)

26

4.

Convert the decimal number 255 to hexadecimal.

a)

F1

b)

FE

c)

FF

d)

F0

5.

What is the decimal equivalent of the octal number 17?

a)

16

b)

15

c)

14

d)

12

6.

Convert the decimal number 64 to octal.

a)

60

b)

70

c)

80

d)

100

7.

What is the decimal equivalent of the binary number 11101?

a)

27

b)

28

c)

29

d)

30

8.

Convert the decimal number 100 to binary.

a)

1110010

b)

1010010

c)

1100101

d)

1100100

9.

What is the decimal equivalent of the hexadecimal number 2F?

a)

47

b)

45

c)

30

d)

50

10.

Convert the decimal number 10 to hexadecimal.

a)

A1

b)

A

c)

B

d)

C2

11.

What is the decimal equivalent of the octal number 23?

a)

19

b)

18

c)

21

d)

20

12.

Convert the decimal number 45 to octal.

a)

55

b)

60

c)

56

d)

44

13.

What is the decimal equivalent of the binary number 1100?

a)

12

b)

8

c)

14

d)

10

14.

Convert the decimal number 7 to binary.

a)

111

b)

110

c)

1110

d)

101

15.

What is the decimal equivalent of the hexadecimal number 3C?

a)

20

b)

80

c)

40

d)

60

16.

Convert the decimal number 15 to hexadecimal.

a)

1F

b)

E

c)

F

d)

10

17.

Convert the decimal number 32 to octal.

a)

40

b)

30

c)

50

d)

20

18.

What is the decimal equivalent of the binary number 1001?

a)

7

b)

9

c)

8

d)

10

19.

Convert the decimal number 75 to octal.

a)

101

b)

100

c)

111

d)

113

20.

Convert the decimal number 50 to hexadecimal.

a)

2F

b)

28

c)

3A

d)

32

21.

What is the decimal equivalent of the octal number 45?

a)

37

b)

38

c)

39

d)

40

Number System Conversion Challenge

Total questions: 21

Worksheet time: 11mins

Similar Resources on Wayground