Mock Test

Exam: RRB NTPC Subject: Reasoning

Total Questions: 20

Q1. A syllogism that uses the same word in two different senses commits the:

Fallacy of Undistributed Middle Fallacy of Four Terms Fallacy of Equivocation Fallacy of Illicit Process
Q2. Consider a maze where certain cells 'teleport' the solver to a different part of the maze. How does this feature complicate standard graph-based pathfinding algorithms?

It simplifies the problem by creating shortcuts. It introduces non-uniform step costs and potentially creates cycles or shortcuts that standard BFS/Dijkstra might not handle directly without modification. It makes the maze deterministic and easier to solve. It reduces the state space of the problem.
Q3. In the puzzle GO + TO = OUT, if O=1, what is the value of G?

1 2 3 4
Q4. Consider a sequence of transformations applied to a point P(x, y): first, a reflection across the x-axis, then a rotation of 90 degrees counterclockwise about the origin. If the final position of P is P''(-y, -x), what was the original point P?

P(x, y) P(-x, y) P(x, -y) P(-x, -y)
Q5. What is the missing term in the series: 1, 5, 13, 25, ?, 61?

41 40 42 43
Q6. What is the mirror image of the number '808'?

808 880 088 808
Q7. Statement: The price of essential commodities has risen sharply. Inference: The purchasing power of the common man has decreased.

Only the inference is valid. Only the statement is valid. Both the statement and inference are valid. Neither the statement nor the inference is valid.
Q8. A person's husband's mother is their:

Mother-in-law Aunt Grandmother Mother
Q9. Five friends A, B, C, D, and E are sitting around a circular table. A is second to the left of B. C is third to the right of A. D is second to the left of C. E is not an immediate neighbor of B or A. Who is sitting opposite to E?

A B C D
Q10. Pointing to a photograph, a man said, "She is the daughter of the only son of my grandfather." How is the girl in the photograph related to the man?

Sister Aunt Cousin Daughter
Q11. If: All poets are imaginative. Some imaginative people are philosophers. No philosophers are materialistic. What can be definitively concluded?

All poets are materialistic. Some poets are philosophers. No poets are materialistic. Some imaginative people are not philosophers.
Q12. Pointing to a photograph, Ram said, "She is the daughter of the only son of my grandfather." How is the person in the photograph related to Ram?

Sister Mother Daughter Aunt
Q13. In the English alphabet, which letter is 4 positions before 'S'?

N O P Q
Q14. Consider the binary number $101101_2$. If this number is represented using 8-bit two's complement, what is the most significant bit (MSB) and the least significant bit (LSB)?

MSB: 1, LSB: 1 MSB: 0, LSB: 1 MSB: 1, LSB: 0 MSB: 0, LSB: 0
Q15. The phenomenon where individuals adjust their opinions to align with the majority, even if their private judgment differs, a common occurrence when a group of RRB aspirants all agree on a flawed study strategy, is:

Groupthink Conformity Social Proof Bandwagon Effect
Q16. What is 8 plus 8?

10 12 16 18
Q17. A chef is meticulously preparing ingredients, tasting sauces, and arranging plates with artistic precision. What can you infer about the chef's focus?

They are experimenting with new recipes carelessly. They are rushed and trying to finish quickly. They are dedicated to creating a high-quality and visually appealing dish. They are not concerned with the final presentation.
Q18. In a word-to-number coding, the value of a word is calculated by multiplying the positional value of the first vowel by the positional value of the last consonant. If 'ABOUT' = 1 * 20 = 20, what is the value of 'AEIOU'?

100 25 1 5
Q19. A is the brother of B. B is the brother of C. C is the brother of D. Who is the brother of A?

B only B and C B, C and D None
Q20. If 'SKY' is coded as 'SLZ', what is the pattern?

First letter stays, second shifts forward by 1, third shifts forward by 2. All letters shift forward by 1. All letters shift forward by 2. All letters shift backward by 1.

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