Question

A student has to answer 10 questions, choosing atleast 4 from each of
Parts A and B. If there are 6 questions in Part A and 7 in Part B, in how many ways
can the student choose 10 questions?​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

∴ total no. of ways can the student choose 10 questions =(15×7)+(6×21)+(1×35)=266

Hence the no. of ways can the student choose 10 questions are 266.

Hence the correct answer is 266.