SSC CGL HCF and LCM Practice Test 5
15 SSC CGL hcf and lcm questions with chapter-wise explanations and exam-style options.
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SSC CGL HCF and LCM Practice Test 5
15 SSC CGL hcf and lcm questions with chapter-wise explanations and exam-style options.
Preview all 11 questions in SSC CGL HCF and LCM Practice Test 5 (no login required)
- HCF and LCM
1. Which number is divisible by 9?
- A. 234
- B. 243 (Correct)
- C. 254
- D. 262
Explanation: Sum of digits of 243 is 9.
- HCF and LCM
2. HCF of 18 and 24 is:
- A. 4
- B. 6 (Correct)
- C. 8
- D. 12
Explanation: 6 is the greatest common factor.
- HCF and LCM
3. LCM of 8 and 12 is:
- A. 24 (Correct)
- B. 36
- C. 48
- D. 96
Explanation: 24 is the least common multiple.
- HCF and LCM
4. When 257 is divided by 7, the remainder is:
- A. 3
- B. 4
- C. 5 (Correct)
- D. 6
Explanation: 257 = 7 x 36 + 5.
- HCF and LCM
5. An odd number multiplied by an even number is always:
- A. odd
- B. even (Correct)
- C. prime
- D. composite
Explanation: Any product with an even factor is even.
- HCF and LCM
6. Which is a perfect square?
- A. 196 (Correct)
- B. 198
- C. 202
- D. 206
Explanation: 196 = 14^2.
- HCF and LCM
7. The smallest number to be added to 999 to make it divisible by 11 is:
- A. 1
- B. 2 (Correct)
- C. 3
- D. 4
Explanation: 999 leaves remainder 9 when divided by 11.
- HCF and LCM
8. If HCF of two numbers is 6 and LCM is 180, and one number is 30, the other is:
- A. 24
- B. 30
- C. 36 (Correct)
- D. 42
Explanation: Other number = (6 x 180)/30 = 36.
- HCF and LCM
9. Unit digit of 7^4 is:
- A. 1 (Correct)
- B. 3
- C. 7
- D. 9
Explanation: 7^4 ends in 1.
- HCF and LCM
10. Sum of first 10 natural numbers is:
- A. 45
- B. 50
- C. 55 (Correct)
- D. 60
Explanation: n(n+1)/2 = 55.
- HCF and LCM
11. The remainder when 2^5 is divided by 3 is:
- A. 0
- B. 1
- C. 2 (Correct)
- D. 3
Explanation: 2^5 = 32 and 32 leaves remainder 2.