LOGICAL REASONING

Missing Terms — UPSC CSAT Previous Year Questions

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

5Total PYQs
2011–2026Years
1Subtopics

Missing Terms

5 questions • 2011–2026

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Question 1
UPSC CSAT 2024Missing Term / Pattern Completion

Consider the sequence A_BCD_BBCDABC_DABC__D that follows a certain pattern. Which one of the following completes the sequence?

AB, A, D, C
BB, A, C, D
CA, A, C, D
DA, A, D, C
View Answer & Explanation+
Correct AnswerC
Explanation

The sequence follows the pattern AABCD, ABBCD, ABCCD, ABCDD. The four blanks are therefore A, A, C, D.

Question 2
UPSC CSAT 2023Missing Term / Pattern Completion

Consider the sequence ABC__ABC_DABBCD_ABCD that follows a certain pattern. Which of the following completes the sequence?

ADACB
BCDAB
CDCCA
DDDCA
View Answer & Explanation+
Correct AnswerD
Explanation

The repeating pattern determines the missing block as option D.

Question 3
UPSC CSAT 2021Missing Term / Pattern Completion

Following is a matrix of certain entries. The entries follow a certain trend row-wise. Choose the missing entry (?) accordingly. 7B 10A 3C 3C 9B 6A 10A 13C ?

A9B
B3A
C3B
D3C
View Answer & Explanation+
Correct AnswerC
Explanation

The row-wise letter pattern cycles and the numerical pattern gives 3 for the missing entry; the resulting alpha-numeric term is 3B.

Question 4
UPSC CSAT 2021Missing Term / Pattern Completion

In the series _b_a_ba_b_abab_aab; fill in the six blanks ( _ ) using one of the following given four choices such that the series follows a specific order.

Abababa
Bbaabba
Cbbaabb
Dababab
View Answer & Explanation+
Correct AnswerD
Explanation

The completed sequence follows the repeating pattern of abb and aab blocks; the six blanks are ababab.

Question 5
UPSC CSAT 2020Missing Term / Pattern Completion
Question visualRefer to the original question visual.

Consider the following arrangement that has some missing letters: abab_b_bcb_dcdcded_d The missing letters which complete the arrangement are

Aa, b, c, d
Ba, b, d, e
Ca, c, c, e
Db, c, d, e
View Answer & Explanation+
Correct AnswerC
Explanation

Filling the blanks to preserve the repeating letter blocks gives a, c, c and e.

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