The number of illiterate people in the country decreased from 150 lakhs to 100 lakhs. What is the percentage of decrease?

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Solution

Original amount = the number of illiterate persons initially = 150 lakhs
Amount of change = decrease in the number of illiterate persons
= 150 – 100 = 50 lakhs

Therefore, the percentage of decrease
= $fraction numerator a m o u n t space o f space c h a n g e over denominator o r i g i n a l space a m o u n t end fraction cross times 100$ =

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