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A increment of 25% in the price of maize enable a buyer to buy 5 kg less for Rs. 2400. The increased price per kg of maize will be:1. Rs. 6002. Rs. 1203. Rs. 904. Rs. 480 |
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Answer» Correct Answer - Option 2 : Rs. 120 Given: ⇒ Increment in the price = 25% Formula Used: Total Cost/Per kg cost = Weight (Kg of Maize) Calculation: Let assume that original price for 1 kg Maize = Rs. x ⇒ Increased price for 1 kg Maize = 125x/100 = Rs. 5x/4 According to question: Total Cost/Per kg cost = Weight (Kg of Maize) ⇒ 2400/x – 2400/(5x/4) = 5 ⇒ 2400 × (1 – 4/5) / x = 5 ⇒ 2400/5x = 5 ⇒ x = 96 ⇒ So, original price = Rs.96 ⇒ And increased price = Rs. 96 × 5/4 = Rs. 120 ∴ The increased price per kg = Rs. 120. The correct option is 2 i.e. Rs. 120 |
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