Permutation and Combination — UPSC CSAT Previous Year Questions

Practice UPSC CSAT previous year questions from 2011–2026 classified underPermutation and Combination. Review the original question, four options, correct answer and explanation for every PYQ.

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2011–2026Years

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Permutation and Combination

1 questions • 2011–2026

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Question 1

UPSC CSAT 2020Permutations / Arrangements

How many different 5-letter words (with or without meaning) can be constructed using all the letters of the word ‘DELHI’ so that each word has to start with D and end with I?

A24

B18

C12

View Answer & Explanation+

Correct AnswerD

Explanation

With D fixed first and I fixed last, E, L and H can be arranged in 3!=6 ways.

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