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      Question

      Two mixtures (milk and water) 'A' and 'B' contains

      quantities of milk and water in ratio of 6:4 and 2:8, respectively. If 50 ml from 'A' and 40 ml from 'B' are mixed to form a new mixture, then find the percentage of milk in the new mixture.
      A 38% Correct Answer Incorrect Answer
      B 42% Correct Answer Incorrect Answer
      C 46% Correct Answer Incorrect Answer
      D 49% Correct Answer Incorrect Answer
      E 52% Correct Answer Incorrect Answer

      Solution

      Quantity of milk in 50 ml of mixture 'A' = 50 Γ— (6/10) = 30 ml
      Quantity of milk in 40 ml of mixture 'B' = 40 Γ— (2/10) = 8 ml
      Total quantity of final mixture = (50 + 40) = 90 ml
      Required percentage = ((30 + 8) Γ· 90) Γ— 100 = 38/90 Γ— 100 = 42.22% β‰ˆ 42%

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