Permutations and CombinationsMCQMTP Dec 23 - Series IIQuestion 6696 of 119
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Word 'REGULATION' is arranged without repetition. Find the probability that the vowels come at odd places.

Select Your Answer (Keyboard: A, B, C, D)
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Correct Answer

✅ Option A — 1

All Options:

  • A1 ✓
  • B1
  • C252
  • D144

Detailed Solution & Explanation

MTP Dec 23 - Series II

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 Syllabus

Exam 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.

Key Concepts to Understand

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