Maths-
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Easy

Question

A question paper consisting of 10 questions is divided into 3 parts with 5, 3,2 questions A candidate is to answer 6 questions without neglecting any part The number of ways in which he can make up his choice is

  1. 175    
  2. 200    
  3. 225    
  4. 150    

The correct answer is: 175


    blank to the power of 5 C subscript 1 times cubed C subscript 3 times squared C subscript 2 plus to the power of 5 C subscript 3 times cubed C subscript 1 times squared C subscript 2 plus to the power of 5 C subscript 3 times cubed C subscript 2 times squared C subscript 1plus to the power of 5 C subscript 2 times cubed C subscript 3 times squared C subscript 1 plus to the power of 5 C subscript 2 times cubed C subscript 2 times squared C subscript 2 plus to the power of 5 C subscript 4 times cubed C subscript 1 times squared C subscript 1 equals 175

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