01. If then 02. If then 03. If then 04. If then 05. If then 06. If then called Componendo-Dividendo Rule. 07. If then 08. If and then 09. If and then ...

Read MoreProportion: “A statement of equality of two ratios is called proportion” Four numbers a, b, c, d are said to be in proportion when the ratio first two a and b is equal to ratio of last two c and d. i.e. or a : b = c ...

Read MoreTypes of Proportion: There are four types of proportion. Direct Proportion Inverse Proportion Compound Proportion Continued Proportion Direct Proportion: Suppose the p ...

Read MoreInverse Proportion: Suppose that 20 men build a house in 6-days. If men are increased to 30 then they take 4-days to build the same house. If men become 40, they take 2-days to build the house. i.e. ...

Read MoreTwo or more quantities are said to be in continued proportion if 1st is related to 2nd , 2nd is related to 3rd , 3rd is related to 4th and so on. i.e. if a, b, c, d, e are in continued proportion then Example: Thr ...

Read More“The proportion involving two or more quantities is called Compound Proportion” Rules for Solving Compound Proportions CASE-1 If quantity 1 and quantity 2 are direct ...

Read MoreStatistics may be divided into two main branches: (1) Descriptive Statistics (2) Inferential Statistics (1) Descriptive Statistics: In descriptive statistics, it deals with collection of data, its presentation in various forms, su ...

Read MoreIf there is any change in the value of one variable, the value of the others variable is changed in a fixed proportion, the correlation between them is said to be perfect correlation. It is indicated numerically as 1 and -1. Perfect Positive Correl ...

Read MoreNow In this section we are going to discuss along with the application of some other operations of arithmetic like Ratio, Proportion, Rates, Percentage, which are very helpful to solve everyday problems and business related problems. ...

Read MoreUses of Ratio: Ratio is used for calculating continued ratio, proportion, rates, percentage as well as continued proportion. Ratio can also be used for dividing the profit or amount between two or more people. For this we have the following process: ...

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