Mock Test

Exam: RRB NTPC Subject: Reasoning

Total Questions: 20

Q1. If 'SYLLABLE' is coded as 'TYMMBCMF', what is the code for 'PHRASE'?

QISBGF QISBHG QITBGF QITBHG
Q2. Which phenomenon is primarily responsible for the shimmering appearance of distant objects when viewed over a hot surface, often described as a 'water image'?

Diffraction Interference Refraction Polarization
Q3. Which technique is used to represent an image as a set of features?

Image deletion Feature extraction Image storage Image viewing
Q4. If the statement 'All apples are fruits' is true, and 'Some fruits are green' is true, what can be concluded about apples and the color green?

All apples are green. No apples are green. Some apples might be green. Some green things are not apples.
Q5. A person has only a 3 kg weight and a 5 kg weight. What is the minimum number of operations to measure exactly 4 kg of sugar?

2 3 4 5
Q6. P is the son of Q. R is the sister of P. S is the father of R. What is the relation of S to P?

Uncle Grandfather Father Brother
Q7. There are 15 students in a row. Rahul is 4th from the left. How many students are to his right?

10 11 12 9
Q8. Consider: All fruits are edible. Some edible things are vegetables. No vegetable is a grain. What is the valid conclusion?

All fruits are grains. Some fruits are grains. No fruit is a grain. Some edible things are not grains.
Q9. Let A = {a, b, c} and R = {(a, a), (b, b), (c, c), (a, b), (b, c), (a, c)}. R is:

Reflexive and Symmetric Symmetric and Transitive Reflexive and Transitive An equivalence relation
Q10. Which symbol is used to end a statement in C++ and Java?

. ; : ,
Q11. Identify the missing term: 11P2, 14Q5, 17R8, 20S11, ?

23T14 23U15 22T14 23T15
Q12. Find the next number in the series: 3, 10, 29, 66, ?, 210?

125 126 127 128
Q13. A checksum is calculated by summing up all the bytes in a data block. If a single bit error occurs in one of the bytes, how likely is the checksum to detect this error?

Always Never Likely, but not always Depends on the specific bit flipped
Q14. In a certain code, 'TABLE' is written as 'FIBAL'. What is the code for 'CHAIR'?

HCAIR RIAHC HIA CR RIACH
Q15. Ravi's mother is the sister of Mohan. Mohan's daughter is Priya. How is Ravi related to Priya?

Brother Uncle Cousin Son
Q16. If 'A + B' means 'A is the brother of B', 'A - B' means 'A is the sister of B', 'A * B' means 'A is the mother of B', 'A / B' means 'A is the father of B'. Which of the following means 'C is the daughter of D'?

C + D C - D C * D C / D
Q17. All roses are flowers. No flowers are rocks. Therefore, no roses are rocks. What is the pattern of this syllogism?

AAA-1 AEE-2 EAE-1 EAE-2
Q18. What is the term for your brother's son?

Nephew Cousin Uncle Son
Q19. Which syllogistic rule is violated in the argument: 'All artists are creative. Some creative people are scientists. Therefore, all artists are scientists.'?

Fallacy of Illicit Minor Fallacy of Undistributed Middle Fallacy of Illicit Major Fallacy of Affirmative Conclusion from a Negative Premise
Q20. The sum of two numbers is 90 and their difference is 10. What are the two numbers?

40 and 50 30 and 60 35 and 55 45 and 45

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