AP EAMCET · Maths · Permutation Combination
There are three sections in a question paper, each containing 4 questions. If a candidate has to answer only 5 questions from this paper without leaving any section, then number of ways the candidate can make the choice of questions is
- A 624
- B 704
- C 384
- D 432
Answer & Solution
Correct Answer
(A) 624
Step-by-step Solution
Detailed explanation
Number of ways to select 5 questions from these sections as follows, \[ A \quad B \quad C \] Section \(\{\begin{array}{lll}2 & 2 & 1 \\ 2 & 1 & 2 \\ 1 & 2 & 2\end{array}\)…
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