Alligation or Mixture - Arithmetic Aptitude Questions and Answers

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In what ratio must water be mixed with milk to gain 16 \(\frac {2 } { 3 } \)% on selling the mixture at cost price?

1 : 6

6 : 1

2 : 3

4 : 3

Answer : Option A

Explanation :

Let C.P. of 1 litre milk be Re. 1.

S.P. of 1 litre of mixture = Re.1, Gain = \( \frac { 50 } { 3 } \)%

C.P. of 1 litre of mixture = [100 x \( \frac { 3 } { 350 }\) x 1]=\(\frac { 6 } { 7 }\)

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