Quantitative Aptitude Ques 2236

Question: Pure milk costs Rs. 20 per litre. After adding water the milkman sells the mixture at the rate of Rs. 18 per litre, thereby making a profit of 25%. In what ratio does he mix the two?

Options:

A) 18 : 7

B) 18 : 5

C) 12 : 7

D) 12 : 5

Show Answer

Answer:

Correct Answer: A

Solution:

  • Mean cost price $ =Rs.( \frac{100}{125}\times 18 )=Rs.14.4perlitre $ By the rule of alligation. required ratio $ =14.4:5.6=18:7 $
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