Question 14
MediumOriginal questionFatima mixes two teas costing ₹120 per kg and ₹150 per kg. She sells the mixture at ₹165 per kg and makes a 25% profit. In what ratio (cheaper : dearer) did she mix them?
Show the answer and explanation
CorrectNot quiteAnswer D
Correct answer: D
Explanation
Cost price of the mixture = rupees per kg.
Cheaper : dearer = .
= .
Worth noting
Taking the cost as 75% of ₹165 (₹123.75) is the common error — profit is on cost, so divide by 1.25. That error leads to .
- Concept
- Mean cost price recovered from selling price, then alligation
- Typical timeTypical
- 75 s
- Your timeYours
- —
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