Permutations and CombinationsPYQ Jan 21Question 1690 of 159
All Questions

A business houses wishes to simultaneously elevate two of its six branch heads. In how many ways can these elevations take place?

Options

A12
B3
C6
D15
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Correct Answer

Option d15

All Options:

  • A12
  • B3
  • C6
  • D15

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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