Question

a number of illiterate persons in a country decreased from 150 lakhs to 100 lakhs in 10 years . what is the percentage of decreases ? please ans this question by step by step explanation please ​

Answer 1

Given: Given that  a number of illiterate persons in a country decreased from $150$ lakhs to $100$ lakhs in $10$ years .

To find: We have to find out the percentage of decrease in the number of illiterate persons.

Solution:

The number of illiterate persons in a country decreased from $150$ lakhs to $100$ lakhs in $10$ years .

Decrease in number of illiterate persons

$=(150-100)\\=50$

The percentage of  Decrease in number of illiterate persons

$={\frac{50}{150} }\times100\\=33.33$

The percentage of decreases is $33.33%$%.