CAT Exam > CAT Videos > Quantitative Aptitude (Quant) > Number System: Remainders
Number System: Remainders Video Lecture | Quantitative Aptitude (Quant) - CAT
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FAQs on Number System: Remainders Video Lecture - Quantitative Aptitude (Quant) - CAT
| 1. What is the remainder when a number is divided by another number? |  |
Ans.The remainder is the amount left over after division. When you divide one number by another, the remainder is what remains after you have taken out all the multiples of the divisor. For example, when dividing 10 by 3, the quotient is 3 and the remainder is 1, since 10 = 3 × 3 + 1.
| 2. How can I find remainders quickly in competitive exams? | |
Ans.To find remainders quickly, you can use properties of numbers, such as modular arithmetic. Remember that if you know the remainder of a number when divided by a certain divisor, you can use that information to find the remainder of larger numbers by breaking them down. Also, practice using division and estimation techniques to speed up the process.
| 3. What are the common mistakes to avoid when solving remainder problems? | |
Ans.Common mistakes include not properly understanding the division process, overlooking negative remainders, and failing to simplify problems. Always ensure to check your calculations and remember that the remainder must always be smaller than the divisor.
| 4. Can remainders be negative? | |
Ans.In standard mathematics, remainders are typically non-negative. However, in certain mathematical contexts, especially in modular arithmetic, negative remainders can be considered. It's important to know the conventions used in your specific area of study.
| 5. How do I apply the concept of remainders in real-life scenarios? | |
Ans.Remainders can be applied in various real-life situations such as distributing items evenly, scheduling events, or determining leftover quantities in recipes. Understanding how to calculate remainders helps in making efficient decisions based on divisions in everyday tasks.
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Nov 21, 2024 Last updated |
Video Description: Number System: Remainders for CAT 2024 is part of Quantitative Aptitude (Quant) preparation.
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