Quickly find percentages

Quickly find percentages
*. To find out the 15% of a number, divide it by 10 andthe add half of it.
*. To find out the 20% of a number, divide it by 10 andmultiply the result by two.
*. To find out the 5% of a number, divide it by 10 andthe divide it by two.

Popular posts from this blog

Age Calculation

Addition Tricks – Addition from Left To Right