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Lcm Questions

Practice 28 Lcm questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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28
Total Questions
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3
Easy
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25
Medium
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0
Hard
Practice by Exam:Quantitative Aptitude(23)Mathematics and Science(2)General Intelligence & Reasoning(2)Numerical Ability(1)

About LCM — practice questions, PYQs & concepts

LCM is a frequently-tested topic on Quantitative Aptitude, Mathematics and Science, General Intelligence & Reasoning. ExamTest.live currently lists 28 LCM questions spanning previous-year papers from 2017 to 2026, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year — every answer key is free, no sign-up required.

LCM weight in competitive exams

Across our LCM question bank, the largest sources are Quantitative Aptitude (23), Mathematics and Science (2), General Intelligence & Reasoning (2) and Numerical Ability (1). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 3 easy LCM questions are available — build fluency before moving up.
  • Target weak years: Use the year filter to focus on the most recent 2026 paper or older PYQs you have not attempted.
  • Time yourself: Every question shows the average solve time so you can benchmark your speed against other students.
  • Read every explanation: Even on questions you got right — the explanation often surfaces a faster approach you can reuse.

All Lcm Questions(1–28 of 28)

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Q1easymcqQuantitative AptitudeCompetitive Exam2026
33% accuracy
What is the smallest positive integer that is divisible by both and ?
Q2mediummcqQuantitative AptitudeCompetitive Exam2026
50% accuracy
Find the smallest number which when divided by , , , and leaves the remainder in each case.
Q3mediummcqQuantitative AptitudeCompetitive Exam2026
0% accuracy
The least number that should be added to 2397 so that the sum is exactly divisible by 3,4,5 and 6?
Q4mediummcqQuantitative AptitudeCompetitive Exam Practice2026
0% accuracy
Find the Least Common Multiple (LCM) of , and .
Q5mediummcqGeneral Intelligence & ReasoningCompetitive Exam2026
A man has a certain number of small boxes to pack into parcels. If he packs , , or in a parcel, he is left with one; if he packs in a parcel, none is left over. What is the number of boxes he may have to pack?
Q6mediummcqQuantitative AptitudeCompetitive Examination2026
Five bells ring at intervals of , , , and seconds respectively. If all the bells ring once together, after how long a period would the bells ring together again?
Q7mediummcqGeneral Intelligence & ReasoningCompetitive Exam Practice2026
A man has a certain number of small boxes to pack into parcels. If he packs 3, 4, 5 or 6 in a parcel, he is left with one; if he packs 7 in a parcel, none is left over. What is the number of boxes he may have to pack?
Q8mediummcqQuantitative AptitudeGeneral Aptitude Test2026
Find the largest possible -digit number divisible by , and .
Q9mediummcqQuantitative AptitudeGeneral Aptitude Test2026
The least number which when diminished by is divisible by each of , , , is:
Q10mediummcqQuantitative AptitudeGeneral Aptitude Test2026
If the ratio of three numbers are and their LCM is , then the smallest number is:
Q11mediummcqQuantitative AptitudeGeneral Aptitude Test2026
The smallest number which when divided by , , or leaves a remainder of in each case, is:
Q12mediummcqQuantitative AptitudeCompetitive Exams2026
The ratio of two numbers is and their L.C.M. is . Find the numbers.
Q13mediummcqQuantitative AptitudeCompetitive Exams2026
The boys of a school can be arranged in , or equal rows and also into a solid square. Find the least number of boys in the school.
Q14mediummcqQuantitative AptitudeCompetitive Exam2026
What is the smallest number which when decreased by is exactly divisible by , , and ?
Q15mediummcqQuantitative AptitudeSSC CGL2026
What is the LCM (least common multiple) of 57 and 93?
Q16mediummcqQuantitative AptitudeCompetitive Exam2026
Find the LCM of and .
Q17mediummcqQuantitative AptitudeCompetitive Exam2026
The largest number of four digits that is divisible by 12, 15 and 18 is ________.
Q18mediummcqQuantitative AptitudeCompetitive Exam2026
Three friends A, B and C start running around a circular stadium and complete a single round in , and , respectively. After how many minutes will they meet again at the starting point?
Q19mediummcqQuantitative AptitudeCompetitive Exam2026
Find the LCM of (Simplified as ).
Q20mediummcqQuantitative AptitudeCompetitive Exam2026
What is the sum of the digits of the least number which when divided by 12, 16 and 20 leaves the same remainder 6 in each case and it is divisible by 9?
Q21mediummcqQuantitative AptitudeCompetitive Exam2026
Find the greatest number of four digits which is divisible by 14, 30 and 42.
Q22mediummcqQuantitative AptitudeCompetitive Exam2026
The smallest perfect square number divisible by each of 6 and 12 is:
Q23mediummcqQuantitative AptitudeCompetitive Exam2026
What is the greatest 3-digit number divisible by 4, 5 and 6?
Q24mediummcqQuantitative AptitudeCompetitive Exam2026
How many numbers less than 1,000 are multiples of both 7 and 11?
Q25mediummcqQuantitative AptitudeCompetitive Exam2026
Find the greatest 5-digit number divisible by 12.
Q26mediummcqNumerical AbilityUP Police Constable2026
What is the largest four-digit number that is divisible by each of 15, 25 and 35?
Q27easymcqMathematics and ScienceUPTET Paper 2 (Maths & Science)2017
The HCF and LCM of two numbers are and respectively. If one of the numbers is , then the other number is
Q28easymcqMathematics and ScienceUPTET Paper 2 (Maths & Science)2017
The HCF and LCM of two numbers are 13 and 1989 respectively. If one of the numbers is 117, then the other number is

Frequently Asked Questions

How many Lcm questions are on ExamTest.live?▼
We have 28 Lcm questions spread across 1 pages, covering easy, medium, and hard difficulty levels with detailed explanations.
Are Lcm MCQs free?▼
Yes. All Lcm questions, answers, and explanations on ExamTest.live are completely free. No account or subscription required.
Which exams include Lcm questions?▼
Lcm questions are commonly asked in Quantitative Aptitude, Mathematics and Science, General Intelligence & Reasoning, Numerical Ability. You can filter by exam using the links above.
How do I practice Lcm questions effectively?▼
Start with easy questions to build confidence, then tackle medium and hard ones. Use the filter buttons to sort by difficulty. Reveal the answer only after attempting each question, and read the explanation thoroughly.