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Addition tricks & Few Examples: Vedic Mathematics Video Lecture | Quantitative Aptitude (Quant) - CAT

181 videos|146 docs|111 tests

Timeline

00:16 Addition of 3 digit numbers
02:43 Addition of 4 digit numbers
04:40 Practice Question 1
05:42 Practice Question 2
06:50 Addition by rounding off
10:55 Addition by pairing
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FAQs on Addition tricks & Few Examples: Vedic Mathematics Video Lecture - Quantitative Aptitude (Quant) - CAT

1. What is Vedic Mathematics?
Ans. Vedic Mathematics is a system of mathematics that originated in ancient India. It is based on certain principles and techniques mentioned in the Vedas, which are ancient Hindu scriptures. Vedic Mathematics provides alternative methods and shortcuts to solve complex mathematical problems quickly and efficiently.
2. What are some addition tricks in Vedic Mathematics?
Ans. Vedic Mathematics offers several addition tricks that can simplify calculations. Some of these tricks include: - Addition by Complement: Adding a number by subtracting the complement of that number from a base value. - All from 9 and the last from 10: Subtracting each digit from 9 except for the last digit, which is subtracted from 10. - Vertically and Crosswise: A method of addition where digits are grouped vertically and crosswise to obtain the final sum.
3. Can you provide an example of the Addition by Complement trick in Vedic Mathematics?
Ans. Sure! Let's say we want to add 35 and 47 using the Addition by Complement trick. We can subtract the complement of 35 from a base value, such as 100. The complement of 35 is 65 (100 - 35). Subtracting 65 from 100 gives us 35. Then we add 35 and 47, which gives us the final answer of 82.
4. How does the "All from 9 and the last from 10" trick work in Vedic Mathematics?
Ans. The "All from 9 and the last from 10" trick is used to quickly subtract numbers from 10 or its multiples. To use this trick, subtract each digit of the number (except for the last digit) from 9, and subtract the last digit from 10. For example, if we want to subtract 57 from 100, we subtract 5 from 9 (giving 4) and 7 from 10 (giving 3), resulting in the answer 43.
5. Can you provide an example of the Vertically and Crosswise addition method in Vedic Mathematics?
Ans. Certainly! Let's take the example of adding 36 and 48 using the Vertically and Crosswise method. We group the digits vertically and crosswise: 3 and 4 vertically, and 6 and 8 crosswise. Multiplying crosswise gives us 3 * 8 = 24 and 4 * 6 = 24. Adding these results gives us 48, which is the final answer.
181 videos|146 docs|111 tests

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