TS EAMCET · Maths · Permutation Combination
A student has to answer 10 out of 13 questions in an examination choosing atleast 5 questions from the first 6 questions. The number of choice available to the student is
- A \(63\)
- B \(91\)
- C \(161\)
- D \(196\)
Answer & Solution
Correct Answer
(C) \(161\)
Step-by-step Solution
Detailed explanation
There are two cases arise. Case I When 5 questions are selected from first 6 questions and next 5 questions are selected from 7 questions.…
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