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Percentage Shortcuts




Percentage is one of the important topics to cover for all competitive exams such as IBPS PO, IBPS Clerk, MAT, CAT, XAT, CMAT and GMAT. In this post, you will learn how to calculate percentages in the matter of seconds.
  • In order to calculate 1% of any number, we simply put a decimal after the second digit from right hand side.
               Ex: 1% of 544 = 5.44
  • To calculate 10% of any number, we put a decimal after the first digit from the right.
               Ex: 10% of 544 = 54.4
  • Calculating 100% of a number is the easiest. We simply write the given number as it is.
           Ex: 100% of 544 = 544
  • To Calculate 50% of a number, we half the number by dividing it by 2.
              Ex: 50% of 544/2 = 272

 

  •    Calculating 5% of a number is also not very difficult. First calculate 10% of the    number and then half the value by dividing it by 2.
              
  
             
               Ex: 5% of 544 =?
               First calculate 10% of 544
               10% of 544 = 54.4
                And then half the value
                i.e. 54.4/2 = 27.2

  • To calculate 15% of a number, we follow these steps:

Step 1: Calculate the 10% of the number.

Step 2: Calculate the 5% of the number.

Step 3: Add the values obtained in Step 1 and Step 2.
 
              Ex: 15% of 544 = ?
              Step 1: 10% of 544 = 54.4
              Step 2: 5% of 544 = 27.2
              Step 3: 54.4 + 27.2 = 81.6

·         To calculate 60% of a number, we follow these steps:
Step 1: Calculate the 50% of the number.
Step 2: Calculate the 10% of the number.
Step 3: Add the values obtained in Step 1 and Step 2
  
    Ex: 60% of 544 = ?
              Step 1: 50% of 544 = 272
              Step 2: 10% of 544 = 54.4
              Step 3: 272 + 54.4 = 326.4
 

·         To calculate 95% of a number, we follow these steps:

Step 1: Calculate the 5% of the number.

Step 2: Subtract the value obtained in step 1 from the number.
   
           
 
              Ex: 95% of 544 = ?
              Step 1: 5% of 544 = 27.2
              Step 2: 544 - 27.2 = 516.8

 
 

 
 

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