A candidate is required to answer 6 out of 10 questions, which are divided into two groups, each containing 5 questions, he is not permitted to attempt more than 4 questions from either group. The number of different ways in which the candidate can choose 6 questions is

A candidate is required to answer 6 out of 10 questions, which are div

1.	A candidate is required to answer 6 out of 10 questions, which are divided into two groups, each containing 5 questions, he is not permitted to attempt more than 4 questions from either group. The number of different ways in which the candidate can choose 6 questions is
A.	50
B.	150
C.	200
D.	250
Answer» D. 250

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A candidate is required to answer 6 out of 10 questions, which are divided into two groups, each containing 5 questions, he is not permitted to attempt more than 4 questions from either group. The number of different ways in which the candidate can choose 6 questions is

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