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Solve this faster with the right shortcut first
Shortcut used: Identify the quantity asked, write the given values, then apply the direct arithmetic formula.
Solve in 3 steps:
- List the given numbers and units.
- Choose the formula that matches the asked value.
- Simplify carefully and compare with options.
Common mistake: Do not use a reasoning pattern shortcut in a quantitative question.
Question 2
Multiple Choice Question
Question
How many litres of water should be added to 45 litres of milk costing ₹60 per litre so that the cost of the mixture becomes ₹45 per litre?
Explanation
Correct Answer: B
ANSWER
Correct Answer: B
Method / Topic: Mixture and Alligation
Water required = 15 litres.
Why this answer is correct
The answer follows from the arithmetic relation between the given values.
Short Explanation
Water required = 15 litres.
Detailed Explanation
Question
How many litres of water should be added to 45 litres of milk costing ₹60 per litre so that the cost of the mixture becomes ₹45 per litre?
ANSWER
Correct Answer: B
Method / Topic: Mixture and Alligation
Water required = 15 litres.
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Question 2
Learn + Solve: Shortcut, Trap & Fast Route Click to view shortcut, steps, and common mistake
Learn + solve
Shortcut used, common trap, and the fastest solving route
Shortcut used: Identify the quantity asked, write the given values, then apply the direct arithmetic formula.
Solve in 3 steps:
- List the given numbers and units.
- Choose the formula that matches the asked value.
- Simplify carefully and compare with options.
Common mistake: Do not use a reasoning pattern shortcut in a quantitative question.
Question
How many litres of water should be added to 45 litres of milk costing ₹60 per litre so that the cost of the mixture becomes ₹45 per litre?
Explanation
Correct Answer: B
ANSWER
Correct Answer: B
Method / Topic: Mixture and Alligation
Water required = 15 litres.
Why this answer is correct
The answer follows from the arithmetic relation between the given values.
Short Explanation
Water required = 15 litres.
Detailed Explanation
Question
How many litres of water should be added to 45 litres of milk costing ₹60 per litre so that the cost of the mixture becomes ₹45 per litre?
ANSWER
Correct Answer: B
Method / Topic: Mixture and Alligation
Water required = 15 litres.
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