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Previous year question hub

Permutations, Combinations and Series - General Aptitude - General Aptitude (GA) Previous Year Questions

Practice Permutations, Combinations and Series - General Aptitude - General Aptitude (GA) previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

7Papers
5Years
8Questions
1Topics

Permutations, Combinations and Series question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Permutations, Combinations and Series. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Easy 5 62.5%
Medium 3 37.5%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

MCQ 6 75%
Numerical Answer Type (NAT) 2 25%

Subject weightage

Top subjects by unique question coverage.

General Aptitude (GA)
8 Qs

Most asked topics

Top topics across the included previous year papers.

General Aptitude
8 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Permutations, Combinations and Series
8 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

Computer Science & Information Technology (CS) 2025 [Session 1]
1 Qs
Computer Science & Information Technology (CS) 2024 [Session 2]
1 Qs
Computer Science & Information Technology (CS) 2016 [Session 2]
1 Qs
Computer Science & Information Technology (CS) 2015 [Session 2]
2 Qs
Computer Science & Information Technology (CS) 2015 [Session 1]
1 Qs
Computer Science & Information Technology (CS) 2015 [Session 3]
1 Qs
Computer Science & Information Technology (CS) 2012
1 Qs

Included previous year papers

Newest papers appear first. Sort by year, question coverage or name.

PaperYear / sessionQuestions in this viewOpen
Computer Science & Information Technology (CS) 2025 [Session 1]20251View paper
Computer Science & Information Technology (CS) 2024 [Session 2]20241View paper
Computer Science & Information Technology (CS) 2016 [Session 2]20161View paper
Computer Science & Information Technology (CS) 2015 [Session 1]20151View paper
Computer Science & Information Technology (CS) 2015 [Session 2]20152View paper
Computer Science & Information Technology (CS) 2015 [Session 3]20151View paper
Computer Science & Information Technology (CS) 201220121View paper

All Permutations, Combinations and Series previous year questions

Practice every matching question in batches of 20, with every available option.

1
2012 · General Aptitude (GA) · General Aptitude · Permutations, Combinations and Series
Computer Science & Information Technology (CS) 2012

Let G be a complete undirected graph on 6 vertices. If vertices of G are labeled, then the number of distinct cycles of length 4 in G is equal to

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2
2015 · General Aptitude (GA) · General Aptitude · Permutations, Combinations and Series
Computer Science & Information Technology (CS) 2015 [Session 1]
Let \( a_n \) represent the number of bit strings of length \( n \) containing two consecutive 1s. What is the recurrence relation for \( a_n \)?
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3
2015 · General Aptitude (GA) · General Aptitude · Permutations, Combinations and Series
Computer Science & Information Technology (CS) 2015 [Session 2]
The number of onto functions (surjective functions) from set \(X = \{1, 2, 3, 4\}\) to set \(Y = \{a, b, c\}\) is _____.
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4
2015 · General Aptitude (GA) · General Aptitude · Permutations, Combinations and Series
Computer Science & Information Technology (CS) 2015 [Session 3]
The number of 4 digit numbers having their digits in non-decreasing order (from left to right) constructed by using the digits belonging to the set {1, 2, 3} is ________.
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5
2016 · General Aptitude (GA) · General Aptitude · Permutations, Combinations and Series
Computer Science & Information Technology (CS) 2016 [Session 2]
Let \(a_n\) be the number of \(n\)-bit strings that do NOT contain two consecutive 1s. Which one of the following is the recurrence relation for \(a_n\)?
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6
2024 · General Aptitude (GA) · General Aptitude · Permutations, Combinations and Series
Computer Science & Information Technology (CS) 2024 [Session 2]

Two wizards try to create a spell using all the four elements, water, air, fire, and earth. For this, they decide to mix all these elements in all possible orders. They also decide to work independently. After trying all possible combination of elements, they conclude that the spell does not work. How many attempts does each wizard make before coming to this conclusion, independently?

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7
2025 · General Aptitude (GA) · General Aptitude · Permutations, Combinations and Series
Computer Science & Information Technology (CS) 2025 [Session 1]

A shop has 4 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 3 scoops of ice-cream, in how many ways can one make that purchase?

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