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Combinatorics Questions

Practice 9 Combinatorics questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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9
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Practice by Exam:Mathematics(8)General Aptitude(1)

About Combinatorics — practice questions, PYQs & concepts

Combinatorics is a frequently-tested topic on Mathematics, General Aptitude. ExamTest.live currently lists 9 Combinatorics questions spanning previous-year papers from 2026 to 2026, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year — every answer key is free, no sign-up required.

Combinatorics weight in competitive exams

Across our Combinatorics question bank, the largest sources are Mathematics (8) and General Aptitude (1). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 0 easy Combinatorics questions are available — build fluency before moving up.
  • Target weak years: Use the year filter to focus on the most recent 2026 paper or older PYQs you have not attempted.
  • Time yourself: Every question shows the average solve time so you can benchmark your speed against other students.
  • Read every explanation: Even on questions you got right — the explanation often surfaces a faster approach you can reuse.

All Combinatorics Questions(1–9 of 9)

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Q1mediummcqMathematicsMathematics Mock Test - 52026
50% accuracy
Let and . Then the number of one-to-one functions from to is:
Q2mediummcqMathematicsAIEEE 20062026
0% accuracy
At an election, a voter may vote for any number of candidates, not greater than the number to be elected. There are candidates and are to be elected. If a voter votes for at least one candidate, then the number of ways in which he can vote is:
Q3mediummcqMathematicsMathematics Mock Test - 92026
0% accuracy
Find the number of ways of picking cards from a set of playing cards if all four cards are of the same suit?
Q4mediummcqMathematicsAIEEE2026
There are two urns. Urn has distinct red balls and urn has distinct blue balls. From each urn two balls are taken out at random and then transferred to the other. The number of ways in which this can be done is:
Q5mediummcqMathematicsFIITJEE AIEEE 2011 (Set Q)2026
Statement-1 : The number of ways of distributing identical balls in distinct boxes such that no box is empty is .Statement-2 : The number of ways of choosing any places from different places is .
Q6mediummcqMathematicsAIEEE 20122026
Let . The number of different ordered pairs that can be formed such that and is empty, is:
Q7mediummcqMathematicsJEE Main2026
Let be the number of all possible triangles formed by joining vertices of an -sided regular polygon. If , then the value of is:
Q8mediummcqMathematicsJEE Main2026
Let and be two sets containing elements and elements respectively. The number of subsets of having or more elements is:
Q9mediummcqGeneral AptitudeGeneral Aptitude
10% accuracy
A shop has distinct flavors of ice-cream. One can purchase any number of scoops of any flavor. The order in which the scoops are purchased is inconsequential.If one wants to purchase scoops of ice-cream, in how many ways can one make that purchase?

Frequently Asked Questions

How many Combinatorics questions are on ExamTest.live?▼
We have 9 Combinatorics questions spread across 1 pages, covering easy, medium, and hard difficulty levels with detailed explanations.
Are Combinatorics MCQs free?▼
Yes. All Combinatorics questions, answers, and explanations on ExamTest.live are completely free. No account or subscription required.
Which exams include Combinatorics questions?▼
Combinatorics questions are commonly asked in Mathematics, General Aptitude. You can filter by exam using the links above.
How do I practice Combinatorics questions effectively?▼
Start with easy questions to build confidence, then tackle medium and hard ones. Use the filter buttons to sort by difficulty. Reveal the answer only after attempting each question, and read the explanation thoroughly.