Discussion
Home ‣ Aptitude ‣ HCF and LCM Comments
- Question
If the product of two numbers is 3026 and their LCM is 89, then their HCF is :
Options- A. 33
- B. 34
- C. 35
- D. 29
- Correct Answer
- 34
- 1. Find the HCF of 3341 and 3328.
Options- A. 257
- B. 337
- C. 13
- D. 31 Discuss
- 2. A student can divide her books into groups of 5, 9 and 13. what is the smallest possible number of the books ?
Options- A. 487
- B. 585
- C. 635
- D. 705 Discuss
- 3. The product of two 2-digit numbers is 2160 and their H.C.F. is 12. The numbers are
Options- A. (12, 60)
- B. (72, 30)
- C. (36, 60)
- D. (60, 72) Discuss
- 4. LCM of two co-prime numbers a and b is (a is greater than b):
Options- A. a
- B. a+b
- C. ab
- D. b Discuss
- 5. The LCM and HCF of two numbers are 4284 and 32, respectively. If one of the numbers is 672, then the second number is;
Options- A. 102
- B. 64
- C. 204
- D. 92 Discuss
- 6. The minimum value of LCM of given numbers is ........... the product of all the given numbers.
Options- A. always greater than
- B. always less than
- C. always equal to
- D. None Discuss
- 7. The HCF of two numbers is 11 and their LCM is 330. If one of the number is 55. Find the other number.
Options- A. 33
- B. 66
- C. 44
- D. 77 Discuss
- 8. If the product of two numbers is 4941 and their LCM is 81, then their HCF is :
Options- A. 60
- B. 59
- C. 35
- D. 61 Discuss
- 9. Two numbers are in the ratio 3:5. If 6 is added to both of them, the ratio becomes 2:3. The numbers are
Options- A. 21 and 35
- B. 30 and 50
- C. 24 and 40
- D. 18 and 30 Discuss
- 10. HCF and LCM of two numbers are 11 and 825 respectively. If one number is 275 find the other number.
Options- A. 53
- B. 45
- C. 33
- D. 43 Discuss
Search Results
Correct Answer: 13
Correct Answer: 585
Explanation:
The smallest possible number of books = L.C.M of 5, 9 and 13.
Therefore, L.C.M of 5,9 and 13 is = 5 x 9 x 13 = 585.
Correct Answer: (36, 60)
Correct Answer: ab
Correct Answer: 204
Correct Answer: None
Correct Answer: 66
Correct Answer: 61
Correct Answer: 18 and 30
Correct Answer: 33
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