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

6)
Which of the following is a pair of co-primes ?
  • (16 , 62)
  • (18 , 25)
  • (21 , 35)
  • (23 , 92)
+ View Answer
  • Answer
  • b) (18 , 25)
  • Solution
  • H.C.F of 18 and 28 is 1. So, they are co-primes.

7)
The L.C.M. of 23 * 32 * 5 * 11, 24 * 34 * 52 * 7 and
25 * 33 * 53 * 72 * 11 is
  • 23 * 32 * 5
  • 25 * 34 * 53
  • 23 * 32 * 5 * 7 * 11
  • 25 * 34 * 53 * 72 * 11
+ View Answer
  • Answer
  • d) 25 * 34 * 53 * 72 * 11
  • Solution
  • L.C.M = Product of highest powers of prime factors = 25 * 34 * 53 * 72 * 11

8)
The H.C.F of 1.75, 5.6 and 7 is:
  • 0.07
  • 0.7
  • 3.5
  • 0.35
+ View Answer
  • Answer
  • d) 0.35
  • Solution
  • Given numbers with two decimal places are : 1.75, 5.60 and 7.00. Without decimal places, these numbers are : 175, 560, and 700, whose H.C.F is 35.
    H.C.F. of given numbers = 0.35.

9)
The G.C.D of 1.08, 0.36 and 0.9 is :
  • 0.03
  • 0.9
  • 0.18
  • 0.108
+ View Answer
  • Answer
  • c) 0.18
  • Solution
  • Given numbers are 1.08, 0.36 and 0.90. H.C.F of 108, 36 and 90 is 18.
    H.C.F. of given numbers = 0.18.

10)
The H.C.F. of 0.54, 1.8 and 7.2 is :
  • 1.8
  • 0.18
  • 0.018
  • 18
+ View Answer
  • Answer
  • b) 0.18
  • Solution
  • Given numbers are 0.54, 1.80 and 7.20. H.C.F of 54, 180 and 720 is 18.
    H.C.F. of given numbers = 0.18.