Question

The number of illiterate persons in a country decreased from $150$ lakhs to $100$ lakhs in $10$ yrs.Find the decrease in percentage?

Answer 1

Decrease in percentage$=\frac{originalcount-newcount}{originalcount}\times 100$

Decrease in percentage$=\frac{150-100}{150}\times 100=\frac{50}{150}\times 100=\frac{100}{3}=33.3\%$