# Quiz: Test Your Knowledge On Binary Number!

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Questions: 10 | Attempts: 5,592  Settings  Are you looking to test your knowledge of binary numbers? Computers and other digital electronics have a specific way of representing data, and this is by using zero an one in a particular sequence. Give the quiz below a try and get to see if you can write the numbers provided in binary numbers. Feel free to take the quiz as many times as you need.

• 1.

### 9

• A.

00011110

• B.

00001001

• C.

00101000

• D.

00010010

• E.

00110111

B. 00001001
Explanation
The given answer, 00001001, is the only binary number in the given sequence that starts with two zeros. All the other numbers start with three zeros.

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• 2.

### 18

• A.

00011110

• B.

00001001

• C.

00101000

• D.

00010010

• E.

00110111

D. 00010010
Explanation
The given answer, 00010010, is the correct answer because it is the only binary number in the given sequence that has a total of four 1's. The other binary numbers in the sequence have either fewer or more than four 1's.

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• 3.

### 30

• A.

00011110

• B.

00001001

• C.

00101000

• D.

00010010

• E.

00110111

A. 00011110
Explanation
The given answer, 00011110, is the binary representation of the decimal number 30. Each digit in the binary number represents a power of 2, starting from the rightmost digit as 2^0. By adding up the values of the digits that are 1, we get 16 + 8 + 4 + 2 = 30, which is the decimal equivalent of the binary number.

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• 4.

### 40

• A.

00011110

• B.

00001001

• C.

00101000

• D.

00010010

• E.

00110111

C. 00101000
Explanation
The given answer, 00101000, is the correct answer because it matches the binary pattern shown in the question. The binary pattern consists of a series of 0s and 1s, and the answer matches the pattern exactly.

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• 5.

• A.

00011110

• B.

00001001

• C.

00101000

• D.

00010010

• E.

00110111

E. 00110111
• 6.

### 63

• A.

00111111

• B.

10000000

• C.

01101001

• D.

01001110

• E.

01011010

A. 00111111
Explanation
The given answer, 00111111, is the correct answer because it matches the binary representation given in the question. The binary representation is a sequence of 0s and 1s, and the correct answer is the one that matches this sequence.

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• 7.

### 01001110

• A.

29

• B.

18

• C.

87

• D.

78

• E.

68

D. 78
Explanation
The given sequence of numbers is in binary form. Converting the binary number 01001110 to decimal gives us the number 78.

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• 8.

• A.

56

• B.

30

• C.

39

• D.

100

• E.

90

E. 90
• 9.

• A.

102

• B.

100

• C.

105

• D.

99

• E.

106

C. 105
• 10.

### 10000000

• A.

138

• B.

128

• C.

105

• D.

229

• E.

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