General Aptitude › Alligation or Mixture › Question #11
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QIn what ratio must water be mixed with milk to gain 20% by selling the mixture at cost price?

ID: #11 Alligation or Mixture 54,994 views
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Alligation or MixtureTopic
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  • A 2:6 ✔ ✖
  • B 1:5 ✔ ✖
  • C 2:5 ✔ ✖
  • D 1:6 ✔ ✖
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Explanation

Let Cost Price(C.P) of milk be Rs. 1 per litre. Then, Selling Price(S.P) of 1 litre of mixture = Rs. 1 Gain obtained= 20% Then, C.P of 1 litre of mixture = Rs (100/120)*1 = Rs. 5/6.
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