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      Question

      In How many ways can a student choose a program of 5

      courses, if 9 courses are available and 2 courses are compulsory for every student?
      A 55ways Correct Answer Incorrect Answer
      B 45ways Correct Answer Incorrect Answer
      C 25ways Correct Answer Incorrect Answer
      D 35ways Correct Answer Incorrect Answer

      Solution

      Total courses =9 Choose program =5 Total number of the way with two courses are compulsory- = 9 -2 C5-2 =7C3

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