Page 1 Ratio and Proportion, Indices and Logarithm Paper 4: Quantitative Aptitude Chapter 1 Part I: Ratio & Proportion Ms. Ritu Gupta, MA (Maths.) Page 2 Ratio and Proportion, Indices and Logarithm Paper 4: Quantitative Aptitude Chapter 1 Part I: Ratio & Proportion Ms. Ritu Gupta, MA (Maths.) Illustration 1 19 Page 3 Ratio and Proportion, Indices and Logarithm Paper 4: Quantitative Aptitude Chapter 1 Part I: Ratio & Proportion Ms. Ritu Gupta, MA (Maths.) Illustration 1 19 Illustration 2 The ratio compounded of duplicate ratio of 4:5, triplicate ratio of 1:3. sub duplicate ratio of 81:256 and sub triplicate ratio of 125:512 is (a) 4 : 512 (b) 3 : 32 (c) 1 : 120 (d) None of these Solution The duplicate of ratio of 4 : 5 is 4 2 : 5 2 = 16 : 25 The triplicate ratio of 1 : 3 is 1 3 : 3 3 = 1 : 27 20 Page 4 Ratio and Proportion, Indices and Logarithm Paper 4: Quantitative Aptitude Chapter 1 Part I: Ratio & Proportion Ms. Ritu Gupta, MA (Maths.) Illustration 1 19 Illustration 2 The ratio compounded of duplicate ratio of 4:5, triplicate ratio of 1:3. sub duplicate ratio of 81:256 and sub triplicate ratio of 125:512 is (a) 4 : 512 (b) 3 : 32 (c) 1 : 120 (d) None of these Solution The duplicate of ratio of 4 : 5 is 4 2 : 5 2 = 16 : 25 The triplicate ratio of 1 : 3 is 1 3 : 3 3 = 1 : 27 20 Illustration 2- Continued 21 Page 5 Ratio and Proportion, Indices and Logarithm Paper 4: Quantitative Aptitude Chapter 1 Part I: Ratio & Proportion Ms. Ritu Gupta, MA (Maths.) Illustration 1 19 Illustration 2 The ratio compounded of duplicate ratio of 4:5, triplicate ratio of 1:3. sub duplicate ratio of 81:256 and sub triplicate ratio of 125:512 is (a) 4 : 512 (b) 3 : 32 (c) 1 : 120 (d) None of these Solution The duplicate of ratio of 4 : 5 is 4 2 : 5 2 = 16 : 25 The triplicate ratio of 1 : 3 is 1 3 : 3 3 = 1 : 27 20 Illustration 2- Continued 21 Illustration 3 22Read More

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