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deepaksoni
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Asked: 2021-03-17T19:22:02+05:30 In:

Find the duplicate ratio of (i) 2: 3 (ii) √5: 7 (iii) 5a: 6b

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This is a basic question from ML aggarwal book of class 10th, chapter 7, ratio and proportion., ICSE board

In this specific ques we have ratio in the form of a:b  and we have to find the duplicate ratio of them

Question no. 3, Chapter 7, ML Aggarwal

ml aggarwal solutionratio and proportion
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    1. Guru

      Solution:

      (i) 2: 3

      We know that

      Duplicate ratio of 2: 3 = 22: 32 = 4: 9

      (ii) √5: 7

      We know that

      Duplicate ratio of √5: 7 = √52: 72 = 5: 49

      (iii) 5a: 6b

      We know that

      Duplicate ratio of 5a: 6b = (5a)2: (6b)2 = 25a2: 36b2

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