Hello Guys From Today I post Problems on Ratio and Proportion. Basics:- Ratio:- The Comparison of any two quantities is called the ratio. Condition:- if we want to compare any two quantities both are must be in same units. Ex: 2kgs : 3kgs then the ratio is 2:3 or 2/3. Here, 2 is called Antecedent 3 is called consequent. Types of ratios: if the given ratio is a:b then 1) Duplicate ratio: a^2 :b^2 2) Sub duplicate ratio :square root of a: square root of b 3) Triplicate ratio: a^3:b^3 4) sub Triplicate ratio: cube root of a: cube root of b 5) Inverse ratio: 1/a:1/b 6)compound ratio:- if the given ratios are a:b&c:d then the compound ratio is ac:bd. Examples:- Duplicate ratio of 4:5 =16:25 Subduplicate ratio of 25:36 =5:6 Triplicate ratio of 8:3 = 512:27 sub triplicate ratio of 4:3 = cube root of 4:cube root of 3 inverse ratio of 9:5=5:9 compound ratio of 2:3 and 4:7= 8:21 These are basics that should know in ratios and Will post proportion basics tomorrow.
Posted on: Wed, 03 Sep 2014 16:52:30 +0000
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