Question

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Answer 1

Answer:

$\huge\tt\underline{Question}$

the number of illiterate person in a country decreased from 150 lakhs to 100 lakhs in 10 years.what is the percentage of decrease?

$\huge\tt\underline{given}$

persons decreased in 10 years = 150 lakhs to 100 lakhs.

$\huge\tt\underline{to\:find}$

percentage of decrease

$\huge\tt\underline{solution}$

decrease in persentage= $\frac{original \: count - new \: count}{original \: count} \times 100$

decrease in percentage=$\frac{150 - 100}{150} \times 100$

$= > \frac{50}{150} \times 100 = \frac{100}{3}$

$= > 33.3\%$

$\huge\tt\underline{answer}$

hence, percentage of decrease is 33.3%.

Answer 2

Answer:

150-100/150 = 50/150×100 = 100/3

$= > 33.3\%$