Ncert curriculum for cbseicse class 6 lcm and hcf unlimited worksheets every time you click the new worksheet button, you will get a brand new printable pdf worksheet on lcm and hcf. Highest common factor hcf or lowest common multiple lcm. 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. Hcf and lcm questions answers mcq quantitative aptitude. Candidates can take the problems on lcm and hcf aptitude quiz from this article. F question and answers with easy solutions in aptitude topic are present here. Youll also learn how to troubleshoot, trace errors, and fix problems. Lcm and hcf short tricks with examples bankexamstoday. Hcf and lcm are two important conceptschildren should be very clear about these conceptsstudents preparing for competitive examinations should see this video for grasping the concept and. Lcm the lowest common multiple lcm of a group of numbers is the smallest number not zero that is a multiple of all the numbers in the group. Lcm and hcf shortcut tricks formulas, problems example. Type 1 when various number a, b, c is divided by number n and gives the same remainder r in each case.
Get over 200 excel shortcuts for windows and mac in one handy pdf. There are two types of question usually asked in the examination based on h. Problems on lcm and hcf aptitude questions and answers. We appreciate your patience while we work to keep our site running smoothly. Problem sums on hcf and lcm can be really tricky as they are not easy to identify. Hcf and lcm are two important conceptschildren should be very clear about these conceptsstudents preparing for competitive. M questions with detailed description, explanation will help you to master the topic. The hcf of the sum of the numbers and their lcm is equal to the hcf of the numbers. M questions and answers section with explanation for various online exam preparation, various interviews, aptitude problems on h. Solved 50 lcm and hcf questions and answers section with explanation for various online exam preparation, various interviews, logical reasoning category online test. For hcf of two numbers matha, bmath that are roughly the same size. Category questions section with detailed description, explanation will help you to master the topic. Here, are some easy tips and tricks for you to solve hcf and lcm questions quickly, easily, and efficiently in competitive exams.
Hi all this is my first resource, so hopefully you will find it useful. There are understandable, simple solutions useful for rrb alp, group d and bank jobs. Lcm and hcf shortcuts gr8ambitionz prepare for ibps po. The same can be defined algebraically as hcf of two or more algebraical expressions is th.
Using venn diagram is the easiest way to find the highest common factor and least common multiple of two or more numbers. The code below find the highest common factor and the least common multiple of two integers. Both hcf and lcm carry a great significance in mathematics, physics and engineering. Lcm and hcf problems shortcuts and tricks crt tutorial videos mr. Highest common factor hcf or lowest common multiple lcm word problems. Hcf and lcm formula shortcut tricks with examples to.
This is aptitude questions and answers section on problems on lcm and hcf with explanation for various interview, competitive examinations and entrance tests. The lcm is the least number which is exactly divisible by each one of the given numbers. Lcm and hcf formulas, shortcuts and tricks with examples. A common factor of two or more numbers is a number that divides each of them exactly.
Quantitative and aptitude chapter wise concepts practice problems. On the word document, there is an image which contains a question from another tes user. Lcm and hcf questions and answers updated daily aptitude. C program to find hcf and lcm programming simplified.
Lcm and hcf problems shortcuts and tricks part1 crt. F least common multiple lcm of two or more numbers is the smallest number that is a multiple of all the numbers. Lcm hcf calculate the lowest common multiple lcm and the highest common factor hcf of a group of numbers of any length. An electronic device makes a beep after every 60 sec. Through his lessons, dhiraj has made sure that he makes aspirants understand the fundamental concepts related to lcm hcf. Find their difference mathabmath, and find the hcf of mathamath and mathabmath. The product of the highest powers of all the factors gives lcm. For example if a number divides 51, 128, 298 and leaves 3, 8 and 10 as the remainders then the largest number to do so would be the hcf of 48, 120, 288 24. Quantitative and aptitude chapter wise concepts practice problems book with questions and answers. Winmeen january 31, 2016 aptitude, bank, maths 3,907 views. Accordingly the hcf of the numbers will be same as that of their differences.
Can anyone give shortcuts for solving hcf and lcm in cat. Thus for this post, the main focus is not on going through how to find hcf and lcm please refer to your notes on those, but more importantly to go through how to determine when to find the hcf and when to find the lcm of the numbers involved in the problem sums. A number is said to be a factor of another number it divides the other number exactly. The least common multiple is the smallest positive integer that is a multiple of all of the numbers supplied as arguments. Tips and tricks and shortcuts on hcf and lcm problems prepinsta. When you have found the hcf of the numbers a and b the lcm can be found using the following formula. The greatest number that exactly divides all the given number is the gcd or hcf of those numbers. The excel lcm function returns the least common multiple of integers. If the applicant keep practicing problems on lcm and hcf aptitude questions, it will lead to the improvement in problemsolving capacity. Hcf and lcm shortcuts and tricks hcf and lcm shortcuts in tamil hcf and lcm tricks in tamil hcf and lcm tricks.
A number which exactly divides all the given numbers is a common divisor of those numbers. Hcf lcm maths facts and formulas online for schools in india. How to find the lcm aka lcd in two easy steps mathchat. Hcf of 250 cm and 150 cm is 50 cm, which is the side of the tile so, the required number of tiles 250 x 150 50x50 15 4. This quiz involves in problems on lcm and hcf mcq online test with various types of questions and answers. If you are using a spreadsheet such as excel there are functions named lcm and gcd for calculating the lcm and hcf. In this section, we will learn the shortcut to find hcf and lcm. The least common multiple is the smallest positive integer that is a multiple of all. Practice problems on hcf and lcm for all competitive exams. Solve hcf and lcm problems in 15 seconds authorstream. It provides students with the opportunity to extend their knowledge of hcf, lcm and venn diagrams.
How to use the excel lcm function to get the least common multiple or two or more numbers. Time after which all the bells tol together is the lcm of 5, 6, 8, 12 and 20. Problems on lcm and hcf gr8ambitionz prepare for ibps. You can choose to include answers and stepbystep solutions. Typical problems on hcf and lcm gcd and lcm problems.
Here, the shortcut to find hcf and lcm is using venn diagram. Trick 32 shortcuts for hcf and lcm problems youtube. The lcm in that case is simply the product of the numbers. M with explanation for various interview, competitive examination and entrance test. As the course progress, one would find different sets of questions on lcm hcf and most of which have appeared previously in examinations. Ixl will be unavailable due to scheduled maintenance sunday 10 may from 07. Express each one of the given numbers as the product of prime factors. A common use of the lcm function is to add fractions that have different denominators. F of two or more numbers is smaller than or equal to the smallest number of given numbers. Hcf is highest common factor, so we need to get the common highest factors among given values. Here 20 is the least common multiple of 2, 4, 5, and 10.
Improve your math knowledge with free questions in gcf and lcm. The product of two numbers is equal to the product of their hcf and lcm. Free 15 chuiyl multiplying and dividing fractions word problems. Find the lcm of 8,9,12,15 that leaves same remainder 1 in each the. Applications of hcf and lcm tricks for cat 1 the greatest number dividing a, b and c leaving remainders of x1, x2 and x3 is the hcf of ax1x1, bx2x2 and cx3x3. Writing a program to find the hcf and lcm of two whole numbers is. This is the aptitude questions and answers section on problems on h.
Use the lcm function when you want to calculate the least common multiple of integers. A number x is said to be multiple of y when x is exactly divisible by y. Every time you click the new worksheet button, you will get a brand new printable pdf worksheet on lcm and hcf. Aptitude lessons, shortcuts, tricks and problems carefully selected and solved by aptitude expert. Solved examples with detailed answer description, explanation are given and it would be easy to understand. Hcf lcm maths formula lessons online india my solution guru. Here is the concepts of hcf for cat exam with solved examples for convenience hiqghest common factor hcf is the largest factor of two or more numbers. In bank po exams we can get 3 to 5 marks with use of hcf and lcm. Lcm is known as smallest common multiple or lowest common multiple or least common multiple of given numbers. If the numbers have no common factor, the task is even easier. Lcm and hcf shortcut tricks page 2 lcm and hcf important questions page 3 lcm and hcf video lecture page 4.
By practicing these problems on lcm and hcf quiz, it becomes easy for the students to face the competitive exams. Improve your skills with free problems in hcf and lcm. On the other hand, least common multiple lcm is the smallest common multiple of the whole numbers. So, lets start with the topic of hcf and lcm formula in which we will discuss about shortcuts of hcf and lcm with. Ixl uses cookies to ensure that you get the best experience on our website. Hcf of two or more numbers is the greatest factor which divides each of them exactly. Hcf is also known as the greatest common divisor gcd or the greatest common factor gcf. Hi friends, here i am going to explain about hcf and lcm. If number p divided another number q exactly, we say that p is a factor of q.
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