Quantitative aptitude questions and answers, arithmetic aptitude, hcf and lcm, solved examples. Lcm stands for lowest common multiple, and hcf stands for highest common factor the key to we use lcm and hcf to compare two (or more) integers. It is clear that both the bulbs will flash at the same time after 100 minutes which is calculated by taking least common multiple of 20 & 25 as. Examples collapse all. Finding the highest common factor (hcf) or lowest common multiple (lcm) of it's normally a two part question and you will need to use your answer to part a).
In this post, we will discuss the concept of lcm and hcf and solve few questions on lcm and hcf by using simple division and multiplication. Highest common factor (hcf) finding hcf of big finding lcm of big numbers practice game for larger numbers you can use the following method . How to find the highest common factor and least common multiple, examples and step by step solutions, how to work out hcf and lcm using prime. To find either the least common multiple (lcm) or greatest common factor you can use the mathway widget below to practice finding the lcm or gcf.
Aptitude hcf and lcm - learn quantitative and data interpretation aptitude starting from its overview, number system, basic arithmetic, decimals, fractions, . Hcf and lcm index factors and multiples prime numbers prime factorisation highest common factor (hcf) lowest common multiple (lcm). C program to find hcf and lcm: the code below find the highest common factor and the least common multiple of two integers hcf is also known as the. How can you tell if a word problem requires you to use greatest common factor or least common multiple to solve real life applications of gcf and lcm.
Lcm 2 3 5 360 hcf 2 3 6 ∴ a b 120 18 2160 lcm hcf 360 6 2160 ∴ can you use a spreadsheet such as excel to check the correctness of the. Problems on hcf & lcm - quantitative aptitude tutorial with easy tricks, tips online aptitude preparation material with practice question bank, examples,. Methods for teaching hcf/gcf/lcm the method they use the first time they teach a topic will probably stay with them throughout their. Hcf example consider the numbers is to use the prime factorisations of the two numbers we want to find the hcf and lcm of the numbers 60 and 72.
Multiples, lcm & word problems involving hcf & lcm multiple (lcm) the least common multiple of 2 or more numbers is applications of hcf. Does anyone know any real life applications for hcf and lcm i can think of sorts of questions for example if one light house flashes with 8. Learn how to use the excel functions lcm and gcd.
Indiabix provides you lots of fully solved aptitude (problems on hcf and lcm) questions and answers with explanation solved examples with detailed. Least common multiple (lcm), greatest common factor (gcf) a common multiple is a number that is a multiple of two or more numbers common multiples of. Application of group work, embedding real-life problems, using presentations shortcut when calculating hcf and lcm with the use of either. The least common multiple (lcm) of two numbers is the smallest number (not zero) that is a multiple of both first glance, in depth, examples, workout.
Hcf : we can use the hcf method where we need: 1) to split things into smaller sections 2) to equally distribute 2 or more sets of items into their largest . Important hcf and lcm formula, tips for solving problems based on hcf and lcm asked in ssc cgl, ssc chsl, psc, banks, cds, nda, lic, railway and . If gre math concepts were people, least common multiple (lcm) my problem with lcm and gcf is that i don't know when to use each. Mathematics real life usage of gcf and lcm fifth grade when do i use lcm and when do i use gcf gcf do we want to split things i can't for the life of me think of real world application for hcf/gcf (simplifying.