Do you know how to Calculate 20 percent of Any Number Without Caculator? Today, we will going to teach you how to do it? If you are science background student you have to keep clear idea about fractions. Epecially, fraction is the fundamental part of mathmatics. To calculate 20 percent of any number without a calculator, you can use you brain. Now a days if you want to be a programmer you have know math for programming. If you want to percipate in the Maths Olympiad You have to know percentage formula. Generally, percentage math shortcut tricks will increase you logical reasoning, Mathematical reasoning ability.
Percentage Formula
To calculate the percentage, you have to divide the value by the total value and then multiply the resultant by 100.
Percentage formula = (Value/Total value) × 100
Example: 2/5 × 100 = 0.4 × 100 = 40 per cent
How to calculate the percentage of a number?
In order To calculate the percentage of a number, You need to use the formula such as:
P% of Number = X
where X is the required percentage.
If we remove the % sign, then we need to express the above formulas as;
P/100 * Number = X
Example: Calculate 10% of 80.
Let 20% of 80 = X
10/100 * 80 = X
X = 8
20 percent of Any Number
some simple arithmetic rules. Here’s one way to do it:
1.20 percent of 100
=20 percent *100
= (20/100)*100
Than (20*100)/100
= 2000/100 = 20
2.20 percent of 1000
20 percent *1000
= (20/100)*1000
Than (20*1000)/100
= 20000/100 = 200
Now we have: 20 percent of 1000 = 200
3.20 percent of 10000
20 percent *10000
= (20/100)*10000
Than (20*10000)/100
= 200000/100 = 2000
Now we have: 20 percent of 10000 = 2000
4.20 percent of 108
20 percent *108
= (20/100)*108
Than(20*108)/100
= 2160/100 = 21.6
Now we have: 20 percent of 108 = 21.6
5.20 percent of 110
20 percent *110
= (20/100)*110
Than(20*110)/100
= 2200/100 = 22
Now we have: 20 percent of 110 = 22
6.20 percent of 12
20 percent *12
= (20/100)*12
Than (20*12)/100
= 240/100 = 2.4
Now we have: 20 percent of 12 = 2.4
7.20 percent of 125
20 percent *125
= (20/100)*125
Than (20*125)/100
= 2500/100 = 25
Now we have: 20 percent of 125 = 25
8.20 percent of 13
20 percent *13
= (20/100)*13
Than (20*13)/100
= 260/100 = 2.6
Now we have: 20 percent of 13 = 2.6
9.20 percent of 130
20 percent *130
= (20/100)*130
Than (20*130)/100
= 2600/100 = 26
10.20 percent of 1300
20 percent *1300
= (20/100)*1300
Than (20*1300)/100
= 26000/100 = 260
Now we have: 20 percent of 1300 = 260
11.20 percent of 14
20 percent *14
= (20/100)*14
Than, (20*14)/100
= 280/100 = 2.8
Now we have: 20 percent of 14 = 2.8