Question 40
MediumOriginal questionIn what ratio must salt at ₹8 per kg be mixed with salt at ₹13 per kg to get a mixture worth ₹11 per kg?
Show the answer and explanation
CorrectNot quiteAnswer D
Correct answer: D
Explanation
Cheaper : dearer .
In lowest terms, 2 : 3.
Worth noting
3 : 2 puts the ratio the wrong way round: each kind's share is the other kind's distance from the mean.
- Concept
- The alligation ratio
- Typical timeTypical
- 90 s
- Your timeYours
- —
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