Due to a price hike of 20% , 4 kg less sugar is available for Rs. 120 . What is the initial price per kg of sugar ?
A) Rs. 5 Kg B) Rs. 4 Kg C) Rs. 6 Kg D) Rs. 5.5 Kg
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Step-by-step explanation:
Suppose initial rate was ₹x/kg. Then initially we’ll get in ₹120 is 120/x kgs.
Then after price hike by 20%. New rate is ₹1.2x/kg. And we’ll now get (120/x)-4 kgs.
That is after equating these two equations for the ₹120 we’ll get initial rate ₹5/kg
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