A reduction in the price of apples enables a person to purchase 3 apples for Rs. 1 instead of Rs. 1.25. What is the % of reduction in price (approximately) ?
initially price of one apple = 1.25/3
after reducing price, price of one apple = 1/3
reduction in price = 1.25/3 - 1/3
              = 0.25/3
now, % reduction in price = (change/initial)*100
                   = (0.25/1.25)*100
                   = 20%.
so the answer is option A.
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