Permutations and CombinationsPYQ Jan 25Question 3969 of 176
All Questions

In how many ways can 13 balls be arranged, if 4 of them are black, 6 red & 3 are white?

Options

A3004
B3005
C3003
D3008
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Correct Answer

Option a3004

All Options:

  • A3004
  • B3005
  • C3003
  • D3008

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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