You are here

How to find 20 percent of a number ?

Let us see how to find 20 percent of a number. Some information or method showing how to calculate 20 percent of a number are follows:

In order to calculate 20 percent of number you need to follow two simple steps.

Step 1: Divide number by 10 for example if number is 100 then you have to divide 100/10 so answer is 10

Step 2: Multiply answer with 2, so in this case we have answer 10 so 10x2= 20

So 20 percent of 100 is 20

Example 2: What is 20 percent of 22

Answer 22/10= 2.2 now you have to multiply 2.2 with 2 so 2.2x2=4.4 

Hence 20 percent of 22 is 4.4

You can also check other articles related to numbers. Check out other types of mathematical calculations. Find out some other problems on number system.

Explore more Information

How to find 10 percent of a number ?

Let us see how to find 10 percent of a number. Some information or method explaining how to calculate percent of number are as follows.

In order to find 10 percent of any number you need to divide number by 10. For example 10 percent of 100 = 100/10 =10

Example 2 : 10 percent of 200 = 200/10 which means 20

Example 3: 10 pecent of 333 = 333/10  and the answer is 33.3

This is very simple , you just need to divide the number by 10 .

How to find 40 percent of a number ?

Calculate and Find 40 percent of a number :

  1. Select any two or three digit number.
  2. Now multiply the number by 4.
  3. Third step is to shift the decimal point one place to the left side.

Example 1 

  1. Let us select two digit number, it is 32.
  2. Now multiply number 32 by 4, so 32x4=128
  3. Now shift the decimal point one place to the left so 12.8
  4. Hence 40 % of 32 is 12.8

How to Calculate Percentage

Percentage %

How to calculate percentage: It is also called as "per hundred". The symbol is %. It is very easy if we know the basic formula. By using this equation we can find out any term. So let us discuss some of the examples to know it better.

  1. Suppose we have 25% , so the formula is 25/100 = 25%
  2. For 30% , the formula is 30/100=30%
  3. If we want to find the percentage of any given term, lets say 120 so, its 10% is 12*10/100=12, similarly its 20% is 120*20/100=24 and so on.....

Process Validation Stages process qualification protocol

During Process Validation the protocol of process qualification is also prepared, following are some of the points which are included into protocol of process qualification, so let us check it out some points:

The manufacturing condition including processing limits, the operating parameters as well as the components used such as raw materials are included in protocol.

The sampling plan with complete details of the number of sampling points, frequency of sampling of each unit are to be mentioned in protocol.

What is the Purpose of Homework ?

Some of the points on various purpose of Homework are given below. So let us find out importance of homework in order to know more about homework.

We have seen that teachers assign lots of assignments which consists of problem solving writing, or reading that students have to complete after class generally at home.

We can see that the main purpose of homework is to recall subjects which was taught in class and sometimes objective of homework is to get extra information which was not taught in classroom. 

What is the Full Form of FIR?

FIR - First Information Report

FIR is the written document which is prepared by the police department when they receives an information from the victim of a crime or the person on his or her behalf.

FIR is signed by the informer and a copy is given to the informer.

FIR is registered in the nearest police station where the crime has taken place

The FIR register contains following information: