📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!
  • google app store apple app store
    • ✖

      Question

      A student has two types of markers: Marker A priced at

      $3 each and Marker B priced at $5 each. If the student purchases a total of 12 markers, with an average cost of $4 per marker, how many of each type did the student buy?
      A 4 of A and 8 of B Correct Answer Incorrect Answer
      B 6 of A and 6 of B Correct Answer Incorrect Answer
      C 3 of A and 9 of B Correct Answer Incorrect Answer
      D 7 of A and 5 of B Correct Answer Incorrect Answer
      E 8 of A and 4 of B Correct Answer Incorrect Answer

      Solution

      Let x be the number of Marker A and 12−x be the number of Marker B. By alligation method- Ratio of marker A to marker B = (5-4): (4-3) = 1: 1 Which means the student buys 6 markers of A, and 6 markers of B.

      Practice Next
      More Average Questions

      Relevant for Exams:

      ask-question