Permutations and CombinationsMCQMTP Dec 22 Series II, PYQ Nov 19Question 6669 of 119
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How many numbers can be formed with the help of 2, 3, 4, 5, 6, 1 which is not divisible by 5, given that it is a five-digit number and digits are not repeating?

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

✅ Option B — 400

All Options:

  • A1200
  • B400 ✓
  • C600
  • D1400

Detailed Solution & Explanation

MTP Dec 22 Series II, PYQ Nov 19

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.

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