Question
Mathematics Question on permutations and combinations
A student has to answer 10 questions, choosing at least 4 from each of the parts A and B. If there are 6 questions in part A and 7 in part B, then the number of ways can the student choose 10 questions is
A
256
B
352
C
266
D
426
Answer
266
Explanation
Solution
The correct answer is () :