Question : The ratio in which the Darjeeling tea at 32 per kg is mixed with the Assam tea at 25 per kg to gain 20% by selling the mixture at 32.40 per kg is:
Option 1: 4 : 3
Option 2: 3 : 4
Option 3: 5 : 2
Option 4: 2 : 5
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Correct Answer: 2 : 5
Solution : Let the CP of the tea be Rs $x$ per kg. After getting 20% profit, we get $\frac{120x}{100}=32.4$ ⇒ $x = 27$ Using the method of alligation: Darjeeling tea : Assam tea = 2 : 5 Hence, the correct answer is 2 : 5.
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Question : In what ratio must tea worth Rs. 10 per kg be mixed with tea worth Rs. 15 per kg, so that the resultant mixture costs Rs. 12 per kg?
Option 1: 3 : 5
Option 2: 2 : 3
Option 3: 3 : 2
Question : In what ratio must tea at Rs. 58 per kg be mixed with tea at Rs. 64 per kg so that the mixture must be worth Rs. 60 per kg?
Option 1: 2 : 3
Option 2: 2 : 1
Option 3: 1 : 2
Option 4: 3 : 2
Question : In what ratio rice of INR 20 per kg be mixed with rice of INR 34 per kg, so that the mixture is worth INR 28 per kg?
Option 1: 3 : 4
Option 2: 4 : 1
Option 3: 1 : 3
Option 4: 2 : 3
Question : In what ratio sugar of Rs. 30 per kg should be mixed with sugar of Rs. 40 per kg so that the mixture is worth Rs. 37 per kg?
Option 1: 8 : 9
Option 2: 3 : 7
Option 3: 4 : 3
Option 4: 9 : 5
Question : In a mixture, water and milk are in the ratio of 2 : 3. What is the amount of water that is to be added to 20 kg of this mixture to make the ratio of water and milk in the new mixture 1 : 1?
Option 1: 3 kg
Option 2: 2 kg
Option 3: 4 kg
Option 4: 5 kg
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