CAT Exam > CAT Videos > Crash Course for XAT > Number System - LCM and HCF Basic
Number System - LCM and HCF Basic Video Lecture | Crash Course for XAT - CAT
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FAQs on Number System - LCM and HCF Basic Video Lecture - Crash Course for XAT - CAT
| 1. What is the full form of LCM and HCF? |  |
Ans. LCM stands for Lowest Common Multiple and HCF stands for Highest Common Factor.
| 2. How is LCM calculated for two numbers? | |
Ans. To find the LCM of two numbers, you can either use the prime factorization method or the method of listing multiples of each number until you find a common multiple.
| 3. What is the relationship between LCM and HCF of two numbers? | |
Ans. The product of the LCM and HCF of two numbers is equal to the product of the two numbers themselves.
| 4. Can the LCM of two numbers be less than both numbers themselves? | |
Ans. No, the LCM of two numbers will always be greater than or equal to the larger of the two numbers.
| 5. How can LCM and HCF be used in real-life situations? | |
Ans. LCM and HCF are commonly used in various mathematical problems such as simplifying fractions, scheduling tasks, and calculating the time taken to fill a tank when two pipes are working together.
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Jan 05, 2025
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