All the competitive question and their respective answers with the explanations, This page is dedicated to the cover all the HCF and LCM questions. Here is not only aptitude question which is only based on aptitude these questions are also useful for the candidate who wants to make their career in government and it sector.

We have covered all HCF and LCM questions, These are selected from the various web portal Aptitude Problems on H.C.F and L.C.M Download – Questions And Answers PDF Download. Are you preparing online for competitive exams if yes then this is the best way to preparation for the one-day exam?

You know this is the major problem, when you attempt any interview or competitive exam or one-day exams. The question is all about the H.C.F and L.C.M. Which occur in the all one day and competitive exam then you should read these answer carefully, you can not remember these questions and you should practice for these questions. many of the candidates who wants to crack the competitive exams with good merit list then you must do better preparation for your exams. This type of questions occurs in the exam of, Lekhpal, Patwari, SSC, Indian Army, PSC (Public Service Commission) and Forest Guard.

Some Important questions for the students are preparing for exams.

Q1. If the sum of two numbers is 55 and the H.C.F. and L.C.M. of these numbers are 5 and 120 respectively, then the sum of the reciprocals of the numbers is equal to

1. 11/110
2. 11/120
3. 55/120
4. 11/240

Q2. The greatest number which on dividing 1657 and 2037 leaves remainders 6 and 5 respectively, is ?

1. 127
2. 231
3. 129
4. 131

Q3. The L.C.M. of two numbers is 48. The numbers are in the ratio 2 : 3. Then sum of the number is ?

1. 30
2. 40
3. 50
4. 45

Q4. Three numbers which are co-prime to each other are such that the product of the first two is 551 and that of the last two is 1073. The sum of the three numbers is

1. 82
2. 83
3. 85
4. 90

Q5. The least number, which when divided by 12, 15, 20 and 54 leaves in each case a remainder of 8 is:

1. 518
2. 542
3. 562
4. 548

Q6. The greatest possible length which can be used to measure exactly the lengths 7 m, 3 m 85 cm, 12 m 95 cm is:

1. 55 cm
2. 35 cm
3. 45 cm
4. 59 cm

Q7. The H.C.F. of two numbers is 11 and their L.C.M. is 7700. If one of the numbers is 275, then the other is?

1. 200
2. 305
3. 308
4. 302

Q8. 252 can be expressed as a product of primes as

1. 2 x 3 x 3 x 3 x 7
2. 2 x 2 x 3 x 3 x 7
3. 3 x 2 x 3 x 3 x 7
4. 3 x 3 x 3 x 3 x 7
5. Answer is: 2 x 2 x 3 x 3 x 7

Q9. The ratio of two numbers is 3 : 4 and their H.C.F. is 4. Their L.C.M. is?

1. 46
2. 48
3. 50
4. 58

Q10. Find the lowest common multiple of 24, 36 and 40?

1. 380
2. 360
3. 300
4. 350

Q11. The least number which when divided by 5, 6 , 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder, is?

1. 1590
2. 1583
3. 1652
4. 1683

Q12. The least number which should be added to 2497 so that the sum is exactly divisible by 5, 6, 4 and 3 is

1. 32
2. 25
3. 23
4. 33

Q13. Six bells commence tolling together and toll at intervals of 2, 4, 6, 8 10 and 12 seconds respectively. In 30 minutes, how many times do they toll together ?

1. 12
2. 15
3. 18
4. 16

Q14. The greatest number of four digits which is divisible by 15, 25, 40 and 75 is

1. 6900
2. 8900
3. 9600
4. 9800

Q15. The least multiple of 7, which leaves a remainder of 4, when divided by 6, 9, 15 and 18 is

1. 364
2. 348
3. 384
4. 374

Sometimes these question helps a lot to the people who are giving the exam to any one-day exams. Any type of hard & easy questions is available on this site too. If you want to know more  question then click on home page and know all latest update.

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