1
UPSC Civil Service Prelims Paper II 2023 (CSAT)
MCQ (Single Correct Answer)
+2.5
-0.833
Change Language
40 children are standing in a circle and one of them (say child-1) has a ring. The ring is passed clockwise. Child-1 passes on to child-2, child-2 passes on to child-4, child-4 passes on to child-7 and so on. After how many such changes (including child-1) will the ring be in the hands of child-1 again?
A
14
B
15
C
16
D
17
2
UPSC Civil Service Prelims Paper II 2023 (CSAT)
MCQ (Single Correct Answer)
+2.5
-0.833
Change Language

For five children with ages a < b < c < d < e; any two successive ages differ by 2 years.

Question: What is the age of the youngest child ?

Statement-1: The age of the eldest is 3 times the youngest.

Statement-2: The average age of the children is 8 years.

Which one of the following is correct in respect of the above Question and the Statements?

A
The Question can be answered by using one of the Statements alone, but cannot be answered using the other Statement alone.
B
The Question can be answered by using either Statement alone.
C
The Question can be answered by using both the Statements together, but cannot be answered using either Statement alone.
D
The Question cannot be answered even by using both the Statements together.
3
UPSC Civil Service Prelims Paper II 2022 (CSAT)
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
What is the value of X in the sequence 20, 10, 10, 15, 30, 75, X?
A
105
B
120
C
150
D
225
4
UPSC Civil Service Prelims Paper II 2022 (CSAT)
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
In a tournament of Chess having 150 entrants, a player is eliminated whenever he loses a match. It is given that no match results in a tie/draw. How many matches are played in the entire tournament?
A
151
B
150
C
149
D
148
UPSC Civil Service Subjects
Comprehension
Data Interpretation and Sufficiency
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