UPSC Prelims 2025
Get UPSC Prelims Previous Year Question (PYQ) Papers with detailed explanations, mindmaps, organized year-wise and subject-wise for CSAT.
- ReasoningView Answer for: What is X in the sequence $24$, $X$, $12$, $18$, $36$, $90$?
What is X in the sequence , , , , , ?
- ReasoningView Answer for: Three teams P, Q, R participated in a tournament in which the teams play with one another exactly once. A win fetches a team 2 points and a draw 1 point. A team gets no point for a loss. Each team scored exactly one goal in the tournament. The team P got 3 points, Q got 2 points and R got 1 point.Which of the following statements is/are correct?I. The result of the match between P and Q is a draw with the score 0–0. II. The number of goals scored by R against Q is 1.Which of the statements given above is/are correct?
Three teams P, Q, R participated in a tournament in which the teams play with one another exactly once. A win fetches a team 2 points and a draw 1 point. A team gets no point for a loss. Each team scored exactly one goal in the tournament. The team P got 3 points, Q got 2 points and R got 1 point.
Which of the following statements is/are correct?
I. The result of the match between P and Q is a draw with the score 0–0. II. The number of goals scored by R against Q is 1.
Which of the statements given above is/are correct?
- ReasoningView Answer for: What is X in the sequence $1, 3, 6, 11, 18, X, 42$ ?
What is X in the sequence ?
- ReasoningView Answer for: If 7 24 = 25 and 12 16 = 20, then what is 16 * 63 equal to?
If 7 * 24 = 25 and 12 * 16 = 20, then what is 16 * 63 equal to?
- ReasoningView Answer for: A question is given followed by two Statements 1 and 2. Consider the Question and the Statements and mark the correct option.Question: How is Q related to P?Statement-1: P has two sisters, R and S. Statement-2: R’s father is the brother of Q.Which one of the following is correct in respect of the above Question and the Statements?
A question is given followed by two Statements 1 and 2. Consider the Question and the Statements and mark the correct option.
Question: How is Q related to P?
Statement-1: P has two sisters, R and S. Statement-2: R’s father is the brother of Q.
Which one of the following is correct in respect of the above Question and the Statements?
- ReasoningView Answer for: What comes at X and Y respectively in the following sequence? January, January, December, October, $August$, March, October, $May$, September
What comes at X and Y respectively in the following sequence? January, January, December, October, , March, October, , September
- ReasoningView Answer for: In a certain code if 64 is written as 343 and 216 is written as 729, then how is 512 written in that code ?
In a certain code if 64 is written as 343 and 216 is written as 729, then how is 512 written in that code ?
- ReasoningView Answer for: Consider the following statements:I. If $A \le B > C E > F \ge G = H$; then B is always greater than E. II. If $P > Q = R \ge S = T \le U = V > W$; then S is always less than V.Which of the statements above is/are correct?
Consider the following statements:
I. If ; then B is always greater than E. II. If ; then S is always less than V.
Which of the statements above is/are correct?
- ReasoningView Answer for: A mobile phone has been stolen. There are 3 suspects P, Q and R. They were questioned knowing that only one of them is guilty. Their responses are as follows:P: “I did not steal. Q stole it.” Q: “R did not steal. I did not steal.” R: “I did not steal. I do not know who did it.”Who stole the mobile phone?
A mobile phone has been stolen. There are 3 suspects P, Q and R. They were questioned knowing that only one of them is guilty. Their responses are as follows:
P: “I did not steal. Q stole it.” Q: “R did not steal. I did not steal.” R: “I did not steal. I do not know who did it.”
Who stole the mobile phone?
- ReasoningView Answer for: P is the brother of Q and R. S is R’s mother. T is P’s father. How many of the following statements are definitely true ?I. S and T are a couple. II. Q is T’s son. III. T is Q’s father. IV. S is P’s mother. V. R is T’s daughter. VI. P is S’s son.Select the correct answer using the code given below:
P is the brother of Q and R. S is R’s mother. T is P’s father. How many of the following statements are definitely true ?
I. S and T are a couple. II. Q is T’s son. III. T is Q’s father. IV. S is P’s mother. V. R is T’s daughter. VI. P is S’s son.
Select the correct answer using the code given below:
- ReasoningView Answer for: If P = +, Q = –, R = ×, S = ÷, then insert the proper notations between the successive numbers in the equation: $60 \ 15 \ 3 \ 20 \ 4 = 20$
If P = +, Q = –, R = ×, S = ÷, then insert the proper notations between the successive numbers in the equation:
- ReasoningView Answer for: If NO is coded as $210$, NOT is coded as $4200$ and NOTE is coded as $21000$, then how is NOTES coded ?
If NO is coded as , NOT is coded as and NOTE is coded as , then how is NOTES coded ?
- ReasoningView Answer for: Consider the sequence:ABCCABCCCBBC_C that follows a certain pattern.Which one of the following completes the sequence?
Consider the sequence:
AB_CC_A_BCCC_BBC_C that follows a certain pattern.
Which one of the following completes the sequence?
- ReasoningView Answer for: The 5-digit number PQRST (all distinct digits) is such that $T \ne 0$. P is thrice T. S is greater than Q by 4, while Q is greater than R by 3. How many such 5-digit numbers are possible?
The 5-digit number PQRST (all distinct digits) is such that . P is thrice T. S is greater than Q by 4, while Q is greater than R by 3. How many such 5-digit numbers are possible?
- ReasoningView Answer for: If FRANCE is coded as 654321 and GERMANY is coded as 9158437, then how is YEMEN coded ?
If FRANCE is coded as 654321 and GERMANY is coded as 9158437, then how is YEMEN coded ?
- ReasoningView Answer for: A question is given followed by two Statements I and II. Consider the Question and the Statements and mark the correct option.Question: In a football match, team P playing against Q was behind by 3 goals with 10 minutes remaining. Does team P win the match?Statement I: Team P scored 4 goals in the last 10 minutes. Statement II: Team Q scored a total of 4 goals in the match.Which one of the following is correct in respect of the above Question and the Statements?
A question is given followed by two Statements I and II. Consider the Question and the Statements and mark the correct option.
Question: In a football match, team P playing against Q was behind by 3 goals with 10 minutes remaining. Does team P win the match?
Statement I: Team P scored 4 goals in the last 10 minutes. Statement II: Team Q scored a total of 4 goals in the match.
Which one of the following is correct in respect of the above Question and the Statements?
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