Alligation or Mixture problems
A man buys milk at Rs. 5 a litre and mixes it with water. By selling the mixture at Rs. 4 a litre he gains 121/2 % on his outlay. How much water did each litre of the mixture contain?

32 litre 13
13 litre 45
None of these
32 litre 45

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Alligation or Mixture problems
A dishonest milkman professes to sell his milk at cost price but he mixes it with water and thereby gains 25%. The percentage of water in the mixture is:

20%
25%
4%
6¼%

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP