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      Question

      Cost price of wheat (per kg) of type 'A' and 'B' is Rs. 84

      and Rs. 132 respectively. Both types are mixed and sold at Rs. 156 per kg at a profit of 30%. Find the ratio in which wheat of type 'B' is mixed with wheat of type 'A'.
      A 1:2 Correct Answer Incorrect Answer
      B 2:3 Correct Answer Incorrect Answer
      C 1:3 Correct Answer Incorrect Answer
      D 3:1 Correct Answer Incorrect Answer
      E 5:2 Correct Answer Incorrect Answer

      Solution

      Cost price of mixture = (156 / 1.3) = Rs. 120
      Let 'm' kg and 'n' kg of wheat of type 'A' and 'B' respectively be mixed.
      So, (84m + 132n) ├╖ (m + n) = 120
      Or, 84m + 132n = 120m + 120n
      Or, 12n = 36m
      Or, m:n = 3:1

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