Careers360 Logo
10th and 12th Marks for IIMs and Top MBA Colleges in India: What You Need to Know

CAT Introduction to Selections and Distributions - Practice Questions & MCQ

Edited By admin | Updated on Sep 25, 2023 25:47 PM | #CAT

Concepts Covered - 1

Introduction to Selections and Distributions

Selections and Distributions is a category of data interpretation that focuses on organizing and allocating data elements into different groups or subsets based on specific criteria. This type of data analysis assesses your ability to make selections, distributions, and combinations while ensuring that certain conditions or constraints are met.

Key Components of Selections and Distributions:

  • Data Elements: The data includes a set of elements, which can represent items, people, or objects that need to be grouped or distributed.
  • Criteria or Constraints: Selections and Distributions scenarios often come with criteria or constraints that determine how elements should be grouped, selected, or allocated.

Interpreting Selections and Distributions:

  • Selections and Distributions scenarios require you to analyze data elements, apply criteria or constraints, and make selections or allocations accordingly.

Example Selections and Distributions:

Let's consider an example of a Selections and Distributions scenario to illustrate these concepts:

Scenario: A group of students is assigned to select elective courses from a list of options. The following information is provided:

  • There are 10 students in total.
  • Each student can select exactly two elective courses.
  • The elective courses are Mathematics (M), Science (S), English (E), History (H), and Art (A).
  • No two students can select the same combination of elective courses.

Logical Questions:

  • How many different combinations of elective courses can be formed if there are no restrictions?
  • If one student selects Mathematics and History, what other elective course can they choose?
  • How many different combinations of elective courses can be formed if no two students can have the same combination?


  • Without restrictions, there are 10 students, and each can choose from 5 elective courses. The total number of combinations is 5^10 (five choices for each of the 10 students).
  • If one student selects Mathematics and History, they can choose from the remaining elective courses: Science, English, and Art.
  • To ensure no two students have the same combination, the first student has 5 choices, the second student has 4 choices (excluding the choice of the first student), the third student has 3 choices, and so on. The total number of unique combinations is 5 * 4 * 3 * 2 * 1 = 120.

Conclusion: Selections and Distributions data interpretation involves organizing data elements into different groups or subsets while adhering to specific criteria or constraints. It requires you to analyze data, apply selection rules, and make distributions or combinations accordingly. Practicing these scenarios enhances your ability to allocate and distribute data elements effectively based on given conditions.

"Stay in the loop. Receive exam news, study resources, and expert advice!"

Get Answer to all your questions

Back to top