Number System Quiz MCQ Practice
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1. Is 4356 divisible by 4?
- A. No
- B. Only divisible by 2, not 4
- C. Yes (last two digits 56 ÷ 4 = 14)
- D. Cannot be determined
Answer: Yes (last two digits 56 ÷ 4 = 14)
Explanation: Yes (last two digits 56 ÷ 4 = 14) — verified fact for Number System Quiz.
2. What is the HCF of 36 and 60?
- A. 6
- B. 12
- C. 18
- D. 24
Answer: 12
Explanation: 12 — verified fact for Number System Quiz.
3. What is the LCM of 12 and 18?
- A. 12
- B. 36
- C. 24
- D. 72
Answer: 36
Explanation: 36 — verified fact for Number System Quiz.
4. Which of the following is a prime number: 91, 97, 111, 119?
- A. 111
- B. 119
- C. 97
- D. 91
Answer: 97
Explanation: 97 — verified fact for Number System Quiz.
5. What is the unit digit of 7^95?
- A. 7
- B. 9
- C. 1
- D. 3
Answer: 3
Explanation: 3 — verified fact for Number System Quiz.
6. Express 0.375 as a fraction in lowest terms.
- A. 3/7
- B. 5/8
- C. 3/10
- D. 3/8
Answer: 3/8
Explanation: 3/8 — verified fact for Number System Quiz.
7. Find the smallest 4-digit number exactly divisible by 12.
- A. 1000
- B. 1012
- C. 1008
- D. 996
Answer: 1008
Explanation: 1008 — verified fact for Number System Quiz.
8. Two numbers are in ratio 3:4 and their LCM is 84. Find the numbers.
- A. 18 and 24
- B. 21 and 28
- C. 15 and 20
- D. 12 and 16
Answer: 21 and 28
Explanation: 21 and 28 — verified fact for Number System Quiz.
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