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square root of 169 by repeated subtraction method

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Find the Square Roots of 100 and 169 by the Method of Repeated Subtraction. We know that the sum of first n odd natural numbers is n 2. To find Square root,we subtract consecutive odd numbers from number till we obtain 0.Square root = Total numbers subtracted.Let’s take an exampleSuppose we need to find√81Square root of√8181 − 1 = 8080 − 3 = 7777 − 5 = 7272 − 7 = 6565 − 9 = 5656 … Q.3 Find the square roots of 100 and 169 by the method of repeated subtraction. Sol. The number of subtractions performed to get the difference as zero is the square root of the number. We know that the sum of the first n odd natural numbers is n2. Repeated subtraction method is a method in which the number whose square root is to be determined is subtracted repeatedly by consecutive odd numbers till the difference obtained is zero. We will subtract the consecutive odd numbers from the number for which we are finding the square root, till we reach \(0\) The number of times we subtract is the square root of the given number. Create an account to start this course today The average age of a group of eight is same as it was 3 years ago, when a young member is substituted for an old member, the incoming member is younger to the outgoing member by, Important Questions CBSE Class 10 Science, SQUARE OF NATURAL NUMBERS FORMS A PATTERN, How to find square root by PRIME FACTORISATION METHOD. Just taking square roots as an example, every time we use Pythagoras to find the third side in a right-angled triangle we need to perform a square root. Step 10: 88 - … Repeated Subtraction: This method involves, successful and repeated subtraction of odd numbers such as 1, 3, 5 and 7 from the number until zero is reached. NCERT P Bahadur … Join now. Finding square root of 100 by using repeated subtraction: (i) 100 – 1 … Finding Square Root Through Repeated Subtraction, Chapter 6: Squares and Square Roots - Exercise 6.3 [Page 102], CBSE Previous Year Question Paper With Solution for Class 12 Arts, CBSE Previous Year Question Paper With Solution for Class 12 Commerce, CBSE Previous Year Question Paper With Solution for Class 12 Science, CBSE Previous Year Question Paper With Solution for Class 10, Maharashtra State Board Previous Year Question Paper With Solution for Class 12 Arts, Maharashtra State Board Previous Year Question Paper With Solution for Class 12 Commerce, Maharashtra State Board Previous Year Question Paper With Solution for Class 12 Science, Maharashtra State Board Previous Year Question Paper With Solution for Class 10, CISCE ICSE / ISC Board Previous Year Question Paper With Solution for Class 12 Arts, CISCE ICSE / ISC Board Previous Year Question Paper With Solution for Class 12 Commerce, CISCE ICSE / ISC Board Previous Year Question Paper With Solution for Class 12 Science, CISCE ICSE / ISC Board Previous Year Question Paper With Solution for Class 10. This is a very simple method. We have subtracted successive odd numbers starting from 1 to 100, and obtained 0 at 10 th step. 64 - 13 = 51 8. all rights reserved. We have subtracted successive odd numbers starting from 1 to 169, and obtained 0 at 13th step. This method works only for perfect square numbers. So for finding square root, we start subtraction from 1 and continue until it reaches zero. Answer: Square root of 100 by Repeated subtraction: 1. The square root of 169 can be obtained by the method of repeated subtraction as follows. ∴ √ = 13. Find the square roots of 100 and 169 by the method of repeated subtraction. If the same number is repeatedly subtracted from another larger number until the remainder is zero or a number smaller than the number being subtracted, we can write that in … This is a very simple method. Solution: The steps are as follows: Step 1: 169 - 1 = 168 Step 2: 168 - 3 = 165 Step 3: 165 - 5 = 160 Step 4: 160 - 7 = 153 Step 5: 153 - 9 = 144 Step 6: 144 - 11 = 133 Step 7: 133 - 13 = 120. Click hereto get an answer to your question ️ Find the square root of the following number by Division method. Finding square roots through reducing square roots Repeated Subtraction Method In this method the given number is subtracted by 1,3,5,7,… at every step till you get zero at the end. The square root of a number can be calculated by repeated subtraction method provided the number is an integer square number. The square of the number is equal to the number or frequency of subtraction performed on the number. Finding square root through repeated subtraction. Since the square root of 169 is not zero, ... Find the square roots of 100 and 169 by the method of repeated subtraction. 1) Finding square roots through reducing square roots. Square roots of decimal numbers by division method - law. 96 - 5 = 91 4. Finding square root using long division. Physics. Question 3: Find the square roots of 100 and 169 by the method of repeated subtraction. Determine the square root of 169 by repeated subtraction method. (i) 169 − 1 = 168 (ii) 168 − 3 = 165 (iii) 165 − 5 = 160, (iv) 160 − 7 = 153 (v) 153 − 9 = 144 (vi) 144 − 11 = 133, (vii) 133 − 13 = 120 (viii) 120 − 15 = 105 (ix) 105 − 17 = 88, (x) 88 − 19 = 69 (xi) 69 − 21 = 48 (xii) 48 − 23 = 25. The weights of 9 apples are 50, 60, 65, 62, 67, 70, 64, 45, 48 grams. Square root of a number by Repeated Subtraction method Last Updated: 18-08-2020 Given an integer N , the task is to find its perfect square root by repeated subtraction only. (i) We have 100 - 1 = 99 99 - 3 = 96 96 - 5 = 91 91 - 7 = 84 84 - 9 = 75 75 - 11 = 64 64 - 13 = 51 51 - 15 = 36 36 - 17 = 19 19 - 19 = 0∵ We reach at 0 by successive subtraction of 10 odd numbers. Finding the Square Root of Numbers. Find the square roots of 100 and 169 by the method of repeated subtraction. Squares and Square Roots . Find the square roots of 100 and 169 sby the method of repeated Subtraction.... give correct answer or wrong answer will be reported ... Square of 100 is 10 and 169 is 13. aimenmalek8670 aimenmalek8670 Answer: square root of 100 is 10. square root of 169 is 13. Repeated subtraction is a method of subtracting the equal number of items from a larger group. It is also known as division. Translating the word problems in to algebraic expressions. (i) 100 − 1 = 99 (ii) 99 − 3 = 96 (iii) 96 − 5 = 91, (iv) 91 − 7 = 84 (v) 84 − 9 = 75 (vi) 75 − 11= 64, (vii) 64 − 13 = 51 (viii) 51 − 15 = 36 (ix) 36 − 17 = 19. In repeated subtraction method successive odd Write down the prime factors of the given number. We will use this fact to find the square root of a number by repeated subtraction. We will subtract the consecutive odd numbers from the number for which we are finding the square root, till we reach \(0\) The number of times we subtract is the square root of the given number. Physics. Correct answer to the question: Find the square roots of 100 and 169 by the method of repeated subtraction. Books. A-1, Acharya Nikatan, Mayur Vihar, Phase-1, Central Market, New Delhi-110091. (i)16 (ii) 49(iii) 64(iv) 100 (v)169 (vi) 81(vii) 256(viii) 144 Finding Square Root by Prime Factorisation To find the square root of a perfect square by prime factorisation, we go through the following steps: I. Since, 441 ends with ‘1’ it can be a perfect square number. Let us take an example to learn this method. 91 -7 = 84 5. NCERT P Bahadur … 51 - 15 = 36 10. Ask a Question. Sum of all three digit numbers divisible by 6. New questions in Mathematics. Find the square roots of 100 and 169 by the method of repeated subtraction. 169 − 1 = 168 168 − 3 = 165 165 − 5 = 160 160 − 7 = 153 153 − 9 = 144 144 − 11 = 133 133 − 13 = 120 120 − 15 = 105 Since, after subtracting 13 numbers, we obtained 0. Square root of 169. The square root of 169 can be obtained by the method of repeated subtraction as follows. Copyright © 2020 Entrancei. This method works only for perfect square numbers. Remainder when 17 power 23 is divided by 16. NCERT DC Pandey Sunil Batra HC Verma Pradeep Errorless. Find the square roots of 121 and 169 by the method of repeated subtraction. The number of steps gives you the square root. Find the square roots of 121 and 169 by the method of repeated subtraction. Solution: From 100, we subtract successive odd numbers starting from 1 as under: From 169, we subtract successive odd numbers starting from 1 as under: Ex 6.3 Class 8 Maths Question 4. Chemistry. Find the square roots of 100 and 169 by the method of repeated subtraction Concept: Finding Square Root Through Repeated Subtraction. 75 - 11 = 64 7. Example 1: Find square root of 9 by repeated subtraction method. Find the square root of 324 by the method of repeated subtraction. 84 - 9 = 75 6. The square root of 144 is 12 as we have performed repeated subtraction 12 times and after the 12 the subtraction, the remainder is zero. This video is highly rated by Class 8 students and has been viewed 806 times. (i) 169 − 1 = 168 (ii) 168 − 3 = 165 (iii) 165 − 5 = 160. Chemistry. 99 - 3 = 96 3. L.C.M method to solve time and work problems. Their mean weight is, The mean of 20 items of a data is 5 and if each item is multiplied by 3, then the mean will be, The mean of ten items is 17 and if each item is increased by 5, then the new mean will be, The average age of a group of eight is same as it was 3 years ago, when a young member is substituted for an old member, the incoming member is younge. Sep 26, 2020 - Repeated Subtraction Method - Square and Square Roots, Mathematics, CBSE Class 8 Class 8 Video | EduRev is made by best teachers of Class 8. Books. We have subtracted successive odd numbers starting from 1 to 100, and obtained 0 at 10th step. Find the square roots of 100 and 169 by the method of repeated subtraction. NCERT DC Pandey Sunil Batra HC Verma Pradeep Errorless. To find the square root, subtract successive odd numbers from the number till you obtain 0. The number of steps to reach zero is the square root. Solution: This proceeds as: Step 1: 9 - 1 = 8 Step 2: 8 - 3 = 5 Step 3: 5 - 5 = 0 As you can see that given number 9 was repeatedly subtracted by successive odd numbers (starting from 1) and we get zero in third step. Repeated Subtraction Method . Remainder when 2 power 256 is divided by 17. From 100 and 169 we have subtracted successive odd numbers starting from 1 and obtain 0 at 10th and 13th step. 100 - 1 = 99 2. ← Prev Question Next Question → Say, you are required to find the square root of 121, that is, √121. 19 - 19 = 0 We get 0 at 10th step. 2) Estimation method. Find the Square Roots of 121 and 169 by the Method of Repeated Subtraction. Find the square root of the following numbers by the repeated subtraction method. Repeated Subtraction Method . Step 8: 120 - 15 = 105 Step 9: 105 - 17 = 88. Answer to: Find the square roots of 100 and 169 by the method of repeated subtraction. Solution: Using the method of repeated subtraction of consecutive odd numbers, we have (i) 100 – 1 = 99, 99 – 3 = 96, 96 – 5 = 91, 91 – 7 = 84, 84 – 9 = 75, 75 – 11 = 64, 64 – 13 = 51, 51 – 15 = … Find the square roots of 100 and 169 by the method of repeated subtraction. Find the square roots of 100 and 169 hy the method of repeated subtraction. Therefore, `sqrt100 = 10`. - eanswers.in Q.3 Find the square roots of and by the method of repeated subtraction. Thus, 10 is the square root of 100. Concept: Finding Square Root Through Prime Factorisation. Example 1) Find the square root of 144 by the subtraction method. : square root, subtract successive odd numbers from the number of subtractions to... 169 can be a perfect square number: square root of 169 can be obtained by method! At 10th step square root of 169 by repeated subtraction method to reach zero is the square root of 169 can be calculated by subtraction. ‘ 1 ’ it can be obtained by the method of repeated subtraction.... 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Prime factors of the number till you obtain 0 method - law 8: 120 - 15 105! Power 256 is divided by 17 a-1, Acharya Nikatan, Mayur Vihar Phase-1! Vihar, Phase-1, Central Market, New Delhi-110091 = 105 step 9: 105 17! = 160, 10 is the square square root of 169 by repeated subtraction method of 100 and 169 by the method of subtraction... Calculated by repeated subtraction, 65, 62, 67, 70 64... 1 = 168 ( ii ) 168 − 3 = 165 ( iii ) 165 − 5 = 160 Vihar!

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