A question paper contains 6 questions, each having an alternative. The number of ways an examiner can answer one or more questions is
Options
A720
B728
C729
Dnone of these
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Permutations and CombinationsMTP Oct 21Question 1666 of 159
All Questions Correct Answer
✅ Option b — 728
All Options:
- A720
- B728
- C729
- Dnone of these
About This Chapter: Permutations and Combinations
Paper
Paper 3: Quantitative Aptitude
Weightage
4-6 Marks
Key Topics
Factorials, Permutations, Combinations
This chapter deals with the fundamental principles of counting. It covers factorials, circular permutations, restricted permutations, combinations, and the differences between selecting items versus arranging them.
View Official ICAI SyllabusExam Strategy Tip
The most common mistake is confusing 'P' (Arrangement) with 'C' (Selection). If order matters (like opening a lock), use P. If order doesn't matter (like choosing a team), use C.
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There are ten flights operating between city A and city B. The number of ways in which a person can travel from city A to city B and return by different flight is:
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