Question : If the price of an apple is reduced by 30 percent, it enables the customer to buy 5 more apples for Rs. 140. Find the reduced rate of apple.
Option 1: Rs. 14
Option 2: Rs. 7
Option 3: Rs. 8.4
Option 4: Rs. 12
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Correct Answer: Rs. 8.4
Solution : Let the original price of an apple be $10x$. The new price will be reduced by 30% $= 7x$ Now, according to the question, $\frac{140}{7x}-\frac{140}{10x}=5$ ⇒ $\frac{420}{70x}=5$ ⇒ $\frac{6}{x}=5$ ⇒ $x = 1.2$ The new price of apple $= 7x=7\times1.2=8.4$ Hence, the correct answer is Rs. 8.4.
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Question : A reduction of 20% in the price of rice enables a customer to purchase 12.5 Kg more for Rs. 800. The original price of rice (per Kg) is
Option 2: Rs. 16
Option 3: Rs. 12
Option 4: Rs. 15
Question : A reduction of 10% in the price of a commodity enables a person to buy 25 kg more for Rs. 225. The original price of the commodity per kg was:
Option 1: Rs. 2
Option 2: Re. 1
Option 3: Rs. 2.50
Option 4: Rs.1.50
Question : Piyush marks the price of his article as 30 percent more than its cost price. If he sells the article for Rs. 5720 after allowing a discount of 20 percent, then what will be the cost price of the article?
Option 1: Rs. 5350
Option 2: Rs. 5000
Option 3: Rs. 5500
Option 4: Rs. 5200
Question : Rajiv sells a pen at a profit of 5 percent. If he sells the pen for Rs. 36 more, then he earns a profit of 14 percent. What is the cost price of the pen?
Option 1: Rs. 300
Option 2: Rs. 600
Option 3: Rs. 400
Option 4: Rs. 500
Question : The cost of 12 apples and 15 oranges is INR 660. The cost of 15 apples and 21 oranges is INR 870. Find the cost of one apple.
Option 1: INR 25
Option 2: INR 15
Option 3: INR 30
Option 4: INR 20
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