a student is required to answer 6 out of 10 question which are divided into two groups each containing 5 questions. if he is not allowed to attempt more than four questions from each group find the number of ways in which he can attempt the paper.

Dear Shiwani ,

 A has 5 ques. and B has 5 ques.

No of ways = 3

A    B

2    4

3    3

4    2

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