Javed Akhtar Becomes The First Indian To Receive Richard Dawkins Award

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Percentage - basics , word problems based on percentage

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Percentage - percentage means for every hundred. A percentage is a number or ratio that represents a fraction of 100. It is often denoted by the symbol "%" or simply as "percent"  New Number When a Number Is Increased/Decreased by a Certain Percent       Word Problems Based On Percentage  Question 1 Ramola’s monthly income is three times Kavita’s monthly income. Kavita’s monthly income is 25% more than Ruchi’s monthly income. Ruchi’s monthly income is Rs. 34000. What is Ramola’s Annual income?  Answer - Question 2  Five-ninth of sixty two percent of a number is equal to 2790. What is the number?  
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Number series , Introduction Types of number series

Series A number series is a sequence of numbers written from left to right in a certain pattern. To solve these types of questions on series we have to find the pattern that is followed in the series between the consecutive terms so that wrong or missing can be find out.  Types of series There can be following types of series 1. Prime number series The number series which is divisible by 1 and itself is called a prime number. The series formed by using prime number is called prime number series 2. Addition Series The series in which next term is obtained by adding a specific number to the previous term is known as addition series. Addition series are increasing order series and difference between consecutive terms is equal.  3. Substraction Series The series in which next term is obtained by subtracting a specific number to the previous term is known as substraction series. 4. Multiplication Series The series in which next term is obtained by multiplying a specific number to t...
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Ratio And Proportion Concept , Tricks , Examples

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Ratio And Proportion In Mathematics ratios and proportion is a very important concept. Let us understand the concepts with the help of examples and solved questions. Ratios Ratios are the mathematical numbers used to compare two things that are similar to each other in terms of units. For example, we can compare the length of a pencil to the length of a pen likewise distance to a unit that denotes distance. We can’t compare two things that are not similar to each other. Similarly, we can’t compare the height of a person to the weight of another person. As an illustration, suppose the weight of Rohan is 150 kg and the weight of Sohan is 300kg. A ratio of Rohan’s weight to Sohan’s weight can be found out by dividing Rohan’s weight to Sohan’s weight and vice versa. The ratio between Rohan’s and Sohan’s weight is 150/300= 1:2. A ratio is denoted by ‘:’. In the above case, we can say that 2 times the weight of Rohan equals the weight of Sohan or Rohan’s weight is half of Sohan...
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