Before Applying job posting in any websites or recruiting agencies or sending resumes to job recruiters or any other employment website you need to improve your skills on general knowledge, Aptitude, Puzzles, logical reasoning, general english, database, programming as per your job profile. Job recruiters or mostly preferring job candidates who are having more stuff in those categories mentioned above. So improving more skills on your job profile always boost up your career and your performance. Even hiring companies and job recruiters who are looking for many job posting websites actually they are looking and filtering on these activities. In these H.C.F and L.C.M. Of Numbers section you need to update more questions to perform well in front of job recruiters and companies. H.C.F and L.C.M. Of Numbers Interview questions are most important to score in interview, Update all questions to score well in all rounds in job interview.

# H.C.F and L.C.M interview questions and answers

**11)
The L.C.M. of 3, 2.7 and 0.09 is
**

- 2.7
- 0.27
- 0.027
- 27

**Answer**- d) 27
**Solution**-
Given numbers are 3.00, 2.70 and 0.09. L.C.M. of 300, 270 and 9 is 2700.

L.C.M. of given numbers = 27.00 = 27.

**12)
Three numbers are in the ratio 1:2:3 and their H.C.F is 12. The numbers are :
**

- 4, 8, 12
- 5, 10, 15
- 10, 20, 30
- 12, 24, 36

**Answer**- d) 12, 24, 36
**Solution**-
Let the required numbers be x, 2x and 3x. Then, their H.C.F. = x. So, x = 12.

The numbers are 12, 24, 36.

**13)
The ratio of two numbers is 3 : 4 and their H.C.F is 4. Their L.C.M. is :
**

- 12
- 16
- 24
- 48

**Answer**- d) 48
**Solution**-
Let the numbers be 3x and 4x. Then their H.C.F. = x. So, x = 4.

So, the numbers are 12 and 16.

L.C.M of 12 and 16 = 48.

**14)
The H.C.F of two numbers is 12 and their difference is 12. The numbers are :
**

- 66, 78
- 70, 82
- 94, 106
- 84, 96

**Answer**- d) 84, 96
**Solution**-
Out of the given numbers, the two with H.C.F. 12 and difference 12 are 84 and 96.

**15)
The L.C.M. of two numbers is 48. The numbers are in the ratio 2:3. The sum of the numbers is :
**

- 28
- 32
- 40
- 64

**Answer**- c) 40
**Solution**-
Let the numbers be 2x and 3x. Then, their L.C.M. = 6x. So, 6x = 48 or x=8.

The numbers are 16 and 24.

Hence, Required sum = (16 + 24) = 40.