Ten Per Cent Law

The per cent that represents the unshaded region in the figure.

1.0.85 is written in per cent as

The ''10 per cent law'' is related to:

What is 10 per cent law ?

Who proposed 10 per cent law ?

Simple interest on a certain sum is 16/25 of the sum. The rate per cent if the rate per cent and time (in years) are equal, is