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Ratio and Proportion - Lesson 3
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Arka Roy
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  1. Ratio and Proportion made easy Lesson 3


  2. Important properties of ratio Property 4 The ratio 2 fractions can be expressed as a ratio of 2 integers a C ad cb Example: 4 2 => 2-1X4 33X2 6 3 4


  3. Important properties of ratio Property 5: Compounding of ratios Sub - duplicate | | duplicate | | triplicate ratio Example: Consider the below ratio Sub-duplicate ratio = a2 Duplicate ratio 3 Triplicate ratio =-


  4. Important properties of ratio Property 6 If a = _ = e = g = k then b+d+f+h Example 1 2 3 6 2 4 6 12 1+2+3+6 12 1 2+4+6+12 24 2


  5. Important properties of ratio Property 7 If 1, 2, 3 4n are unequal ratios then 1 2 93 04 17027d374n lies between the lowest and highest ratios b1+b2+b3+b4+ ...+bn Example: Consider the following ratios 4. and 2' 4 Highest ratio is 0.8 and lowest ratio0.5 1+3+4 8 =0.73 2+4+5 11


  6. Thank You Arka Roy