A selection of objects from a group where order does not matter. What is this concept called?
Difficulty: Medium
About this MCQ
This Medium Discrete Mathematics question asks: A selection of objects from a group where order does not matter. What is this concept called? The correct choice is B. Combination. Read the options below, commit to one, then use the explanation to see why that choice holds and why the others do not.
Discrete Mathematics items like this one are written for Pakistan exams such as CSS, FPSC, PPSC, and NTS. The difficulty label is a hint about how much of the topic the stem assumes, not a score. Tags and exam names, when they are present, tell you where else the same idea is tested. Previous and next links stay in Discrete Mathematics so you can continue the subject. Related questions point at nearby stems if you want another angle on the same idea.
Treat the explanation as part of the question, not a footnote. If you missed it, reread the stem against the correct option before you open the next Discrete Mathematics item. A timed quiz is the same pool with a clock and a score. A past paper is a full sitting rather than this single question.
- A. Modular arithmetic
Why not A: “Modular arithmetic” does not fit this question. The answer is Combination.
- B. Combination ✓
- C. Set
Why not C: “Set” does not fit this question. The answer is Combination.
- D. Boolean algebra
Why not D: “Boolean algebra” does not fit this question. The answer is Combination.
Correct answer
B. Combination
Explanation
Combination (option B) is the accepted answer to “A selection of objects from a group where order does not matter. What is this concept called”. Option A (Modular arithmetic) does not fit this question. Option C (Set) does not fit this question. Option D (Boolean algebra) does not fit this question. For this Discrete Mathematics question, the accepted answer is Combination.
Source: Discrete Mathematics Official Reference Guide
Tags: computer science, discrete mathematics, mathematics, logic
Submitted by: MCQsHub Editorial
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