6 Tips To Calculate Percentage Fast Using Mental Maths
By Jasreet Kaur22, Jul 2024 03:30 PMjagranjosh.com
simple tips
Calculating percentages quickly in your head can be a handy skill if you learn mental maths. Tap to read simple tips to calculate percentage fast in mind using mental maths.
Find 10% First
To find 10% of a number, just move the decimal point one place to the left. For example, 10% of 250 is 25.
Double 10% for 20%
If you know 10%, you can double it to get 20%. For example, 20% of 250 is 50.
Halve 10% for 5%
If you know 10%, you can halve it to get 5%. For example, 5% of 250 is 12.5.
Use Multiples of 10%
For percentages like 30%, you can add 10% three times. For example, 30% of 250 is 75.
Break Down Percentages
For percentages like 15%, find 10% and 5%, then add them together. For example, 15% of 250 is 37.5.
Use Simple Fractions
Convert percentages to fractions. For example, 25% is the same as one-fourth, so find one-fourth of the number.