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A reduction of 20% in the price of rice enables a person to buy 3.5 kg more for Rs. 77. What is the original price per kg?

Rs.5 per kg

Rs.5.5per kg

Rs.10 per kg

Rs.15 per kg

Explanation:

Let the original price be Rs.x
20% reduction means the new price is Rs.4x/5
Originally he could by 77/x kg now he buys 77/(4x/5) kg
77/x +3.5 = 77/(4x/5)
Solve this equation which would result in x being Rs.5.5

By: MIRZA SADDAM HUSSAIN

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