If number p divided another number q exactly, we say that p is a factor of q. What is lcmsome formulas in hcf and lcmpractice and previous questions on hcf and lcm do you know factors and. In bank po exams we can get 3 to 5 marks with use of hcf and lcm. Hi friends, here i am going to explain about hcf and lcm. Lets proceed to the highest common factor hcf and the least common multiple lcm. Candidates can take the problems on lcm and hcf aptitude quiz from this article. Important shortcuts tricks problems and formulas for lcm and hcf. F least common multiple lcm of two or more numbers is the smallest number that is a multiple of all the numbers. Lets learn about lcm, hcf, and relation between hcf and lcm of natural numbers.
We know that the factors of a number are exact divisors of that particular number. Lcm and hcf formulae, examples and explanation for govt. Hcf and lcm questions answers formulas, tips and tricks. Find the hcf or lcm of numbers using prime factors key ideas. Formulas property 1 lcm x hcf product of two numbers h. Notification detailsdo you know factors and multiples. Lcm and hcf shortcut tricks page 2 lcm and hcf important questions page 3 lcm and hcf video lecture page 4. Least number of tiles required areaof theroom areaof onetile 1517 902 41 41 814 x x 8. Write down two possible numbers that helen could be thinking of. To find hcf and lcm with shortcut tricks is very necessary to know while you are preparing for any competitive or entrance exam because it safes your time and the chances of accuracy in short time arises.
Excel has two useful functions for work with fractions. Properties of hcf and lcm formulas and solved problems byjus. Hcf of 60 and 75 15 because 15 is the highest number which divides both 60 and 75 exactly. The lowest common multiple lcm of two or more given numbers is the least number which is exactly divisible by each of them. This is aptitude questions and answers section on problems on lcm and hcf with explanation for various interview, competitive examinations and entrance tests. Lcm hcf questions, formulas, tricks and pdf download. In this video i am showing how to find lcm and hcf ea. Hcf and lcm questions answers mcq quantitative aptitude. In this videos i will show you some important formulas of h. Problems on lcm and hcf aptitude questions and answers. Lcm and hcf formulas, shortcuts and tricks with examples.
Hello aspirants, under hcf and lcm formulas, tips and tricks to solve problems we will discuss different formulas which govern the hcf and lcm as well as some shortcuts, tips and tricks to solve the problems based on hcf and lcm in any competitive exams. Lcm the least number which is exactly divisible by each one of the given numbers is called their l. Lcm and hcf formula lcm and hcf formulas, properties and important ways to solve lcm and hcf questions are given below on this page below. The lowest common multiple lcm of her two numbers is a multiple of 12. Top 25 rrb ntpc maths questions based on asked questions in previous exam papers very important for the railway ntpc exam. Maths formulas pdf download, math formula pdf in hindi. Lcm of two or more numbers is the smallest number which is divisible by all the given numbers. Properties of hcf and lcm learn with byjus youtube. If a number p divides another number q exactly, we say that p is a factor of q i. F of two or more than two numbers is the greatest number that divides each of them exactly. Lcm and hcf important formulas for placement ibps, cds.
Hcf and lcm formula shortcut tricks with examples to. Is post me hum aapke sath maths formulas pdf lekar aye hain. Hcf and lcm questions and answers, formulas,tricks,test. Lcm and hcf short tricks with examples bankexamstoday. The common multiples of 3 and 4 are 12,24 and so on. Hcf and lcm important formulas, shortcut methods and tricks. Properties of hcf and lcm formulas and solved problems. Hcf highest common factor hcf of two or more numbers is the greatest number which divides each of them exactly. Least common multiple lcm least common multiple lcm of two or more numbers is the smallest number that is a multiple of all the numbers. Required number hcf of x r, y r and z r largest number which divides x, y, z to leave same remainder h.
For the better understanding of the concept lcm lowest common multiple and hcf highest common factor, we need to recollect the terms multiples and factors. Hcf and lcm is an important topic for competitive exams, entrance exams as well interviews. Lcm and hcf tricks, problems and formulas bankexamstoday. Important lcm hcf questions, formulas, practice pdf. Best online free learning website of india for competitive exams. Hcf of two or more numbers is the greatest number which divide all of them without any remainder. Pencil, pen, ruler, protractor, pair of compasses and eraser.
Lcm of 3 and 4 12 because 12 is the smallest number which is a multiple of both 3 and 4 in other words, 12. Himstates website is aspired to provide you competitive exams information, questions and answers,formulas, tricks, previous year questions etc. Hcf and lcm formulas, tips and tricks to solve problems. Thus, each of the numbers 2, 4 and 8 is a common factor of 8 and 24. Lcm stands for lowest common multiple which means the smallest common multiple of n. These are the different models in hcf and lcm questions frequently asked in the examination. Authored by shiva prasad dumpa tips, tricks and formulae on h. Formulas of hcf and lcm problems and solutions ssc cgl. Any integer greater than 1 can be written as a product of primes. Lcm of 12,18,21,28 254 therefore, required number must be divisible by 254. The numbers that are multiplied together are called factors of the final number. Important formulas for placement ibps, cds, bank po exams 2018 what are the different methods to. When a number is exactly divisible by another number, then the former number is.
As the rules of mathematics dictate, the greatest common divisor or the gcd of two or more integers, when at least one of. Enter only the whole numbers for which you want to calculate lcm and hcf. Lcm and hcf tricks, problems and formulas published on sunday, july 21, 20. Both hcf and lcm of given numbers can be found by using two methods.
Hcf and lcm formula aptitude questions and answers. Recap so far, we have seen how to find the factors of a number, the prime factors of a number, the h. Quantitative aptitude lcm hcf problems pdf download with. Greatest common measure gcm and greatest common divisor gcd are the other terms used to refer hcf. If possible learn all the formulas discussed above to solve hcf and lcm questions and practice some other questions related to hcf and lcm. Automobile engineering important multiple choice questions with. Greatest four digit number 9999 on dividing 9999 by 252, remainder 171 therefore, 9999171 9828 problem 4. If the lcm and hcf of two numbers are 72 and 12 respectively. Lcm and hcf questions 2020, questions, answers, exercise. In this case, first we have to find, where we have more number of. The calculator given in this section can be used to find hcf and lcm for the given data values.
Lcm least common multiple the lcm is the least number which is exactly divisible by each one of the given numbers. Lcm and hcf short tricks with examples published on tuesday, january 31, 2017. A number may be made by multiplying two or more other numbers together. Hcf and lcm questions are widely asked in all of all competitive exams. The least common multiple of 2 numbers is the smallest positive number.
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