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      Question

      In library, the ratio of the number of mathematics books

      to that of physics books, is the same as the ratio of the number of physics book to that of chemistry books, If there are 144 mathematics books and 100 chemistry books, then the ratio of the total number of mathematics and physics book to the total number of chemistry and physics book is:
      A 3 : 2 Correct Answer Incorrect Answer
      B 6 : 5 Correct Answer Incorrect Answer
      C 5 : 4 Correct Answer Incorrect Answer
      D 4 : 3 Correct Answer Incorrect Answer

      Solution

      The correct answer is B

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