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4questions
Easy
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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.
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Permutations, Combinations and Series question pattern
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4questions
MCQ
4
100%
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Included previous year papers
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| Paper name | Year | Attempt | |
|---|---|---|---|
Instrumentation Engineering (IN) 20232023 | 2023 |
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Instrumentation Engineering (IN) 20212021 | 2021 | |
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Instrumentation Engineering (IN) 20152015 | 2015 | |
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All Permutations, Combinations and Series previous year questions
Practice every matching question in batches of 20, with every available option.
2015 · General Aptitude (GA) · General Aptitude · Permutations, Combinations and Series
Instrumentation Engineering (IN) 2015
Question Number : 5 Question Type : MCQ
Five teams have to compete in a league, with every team playing every other team exactly once, before going to the next round. How many matches will have to be held to complete the league round of matches?
Five teams have to compete in a league, with every team playing every other team exactly once, before going to the next round. How many matches will have to be held to complete the league round of matches?
2021 · General Aptitude (GA) · General Aptitude · Permutations, Combinations and Series
Instrumentation Engineering (IN) 2021
Four persons P, Q, R and S are to be seated in a row, all facing the same direction, but not necessarily in the same order. P and R cannot sit adjacent to each other. S should be seated to the right of Q. The number of distinct seating arrangements possible is:
2023 · General Aptitude (GA) · General Aptitude · Permutations, Combinations and Series
Instrumentation Engineering (IN) 2023
A ‘frabjous’ number is defined as a 3 digit number with all digits odd, and no two adjacent digits being the same. For example, 137 is a frabjous number, while 133 is not. How many such frabjous numbers exist?
2023 · General Aptitude (GA) · General Aptitude · Permutations, Combinations and Series
Instrumentation Engineering (IN) 2023
Ankita has to climb 5 stairs starting at the ground, while respecting the following rules:
1. At any stage, Ankita can move either one or two stairs up.
2. At any stage, Ankita cannot move to a lower step.
Let \(F(N)\) denote the number of possible ways in which Ankita can reach the \(N^{th}\) stair. For example, \(F(1) = 1\), \(F(2) = 2\), \(F(3) = 3\).
The value of \(F(5)\) is ________.
1. At any stage, Ankita can move either one or two stairs up.
2. At any stage, Ankita cannot move to a lower step.
Let \(F(N)\) denote the number of possible ways in which Ankita can reach the \(N^{th}\) stair. For example, \(F(1) = 1\), \(F(2) = 2\), \(F(3) = 3\).
The value of \(F(5)\) is ________.