Here Are 50 Quizzes / Multiple-Choice Questions (Mcqs) Related To
THE NUMBER SYSTEM
Along With Their Correct Answers
1. What is the smallest prime number?
a) 0
b) 1
c) 2
d) 3
**Correct Answer: c) 2**
2. Which of the following is a composite number?
a) 5
b) 7
c) 9
d) 11
**Correct Answer: c) 9**
3. What is the decimal equivalent of the binary number 1010?
a) 5
b) 8
c) 10
, d) 12
**Correct Answer: c) 10**
4. Which number system uses the digits 0-9 and the letters A-F?
a) Binary
b) Decimal
c) Hexadecimal
d) Octal
**Correct Answer: c) Hexadecimal**
5. What is the square root of 144?
a) 10
b) 12
c) 14
d) 16
**Correct Answer: b) 12**
6. Which of the following is a rational number?
a) √2
b) π (pi)
c) -3/4
d) e (Euler's number)
, **Correct Answer: c) -3/4**
7. What is the next prime number after 17?
a) 18
b) 19
c) 20
d) 21
**Correct Answer: b) 19**
8. What is the binary representation of the decimal number 25?
a) 11001
b) 11100
c) 10101
d) 10011
**Correct Answer: a) 11001**
9. Which of the following is an irrational number?
a) 0.5
b) 1.75
c) √5
d) 2.5
**Correct Answer: c) √5**
THE NUMBER SYSTEM
Along With Their Correct Answers
1. What is the smallest prime number?
a) 0
b) 1
c) 2
d) 3
**Correct Answer: c) 2**
2. Which of the following is a composite number?
a) 5
b) 7
c) 9
d) 11
**Correct Answer: c) 9**
3. What is the decimal equivalent of the binary number 1010?
a) 5
b) 8
c) 10
, d) 12
**Correct Answer: c) 10**
4. Which number system uses the digits 0-9 and the letters A-F?
a) Binary
b) Decimal
c) Hexadecimal
d) Octal
**Correct Answer: c) Hexadecimal**
5. What is the square root of 144?
a) 10
b) 12
c) 14
d) 16
**Correct Answer: b) 12**
6. Which of the following is a rational number?
a) √2
b) π (pi)
c) -3/4
d) e (Euler's number)
, **Correct Answer: c) -3/4**
7. What is the next prime number after 17?
a) 18
b) 19
c) 20
d) 21
**Correct Answer: b) 19**
8. What is the binary representation of the decimal number 25?
a) 11001
b) 11100
c) 10101
d) 10011
**Correct Answer: a) 11001**
9. Which of the following is an irrational number?
a) 0.5
b) 1.75
c) √5
d) 2.5
**Correct Answer: c) √5**