Question
The reduction of 20% in the price of rice enables a
person to obtain 50 kg more for Rs.450. Find the original price of rice per kg.Solution
Let the total amount be 100 new prices. For Rs. 20 = 50 kgs. For Rs. 100 = 250 kgs. for 250kg new price =450 new price = 450/250=90/50=9/5 old price = 9/5 (100/80)Â =18/8=2.25
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