Mock Test

Exam: RRB NTPC Subject: Reasoning Topic: Non-Verbal Reasoning

Total Questions: 20

Q1. When a paper is folded and cut, and the resulting pattern exhibits rotational symmetry, this implies the fold was likely:

A simple halving A more complex folding resulting in rotation Not relevant to rotational symmetry A cut, not a fold, caused the symmetry
Q2. What is essential to remember when cutting folded paper to ensure a pattern is formed when unfolded?

Don't cut the folded edges Cut only through one layer Leave connecting points at the fold Cut randomly
Q3. What does 'image classification' do?

Divides an image into regions Assigns a label or category to an entire image Detects edges in an image Reduces image noise
Q4. In a sequence of numbers, a 'dot situation' is defined as a scenario where a specific digit appears in a contiguous block of at least three positions. If the sequence is 112233111444555, which digit exemplifies a 'dot situation'?

2 3 1 4
Q5. Which of the following shapes is a regular polygon?

Scalene triangle Isosceles triangle Equilateral triangle Right-angled triangle
Q6. If a traffic signal is malfunctioning and flashing yellow in all directions, how should it be treated?

As a stop sign As a yield sign As a green light Ignore it
Q7. What is the total number of possible outcomes when three standard six-sided dice are rolled?

36 216 18 12
Q8. Find the missing number in the sequence: 10, 20, 30, 40, ?

45 50 55 60
Q9. In railway safety, image analysis can be used for:

Optimizing train schedules Detecting unauthorized crossings Analyzing passenger comfort Managing ticket sales
Q10. A circle has a radius of 7 cm. What is its circumference?

14π cm 21π cm 28π cm 49π cm
Q11. Rule detection tests assess your ability to:

Judge people Analyze information and find underlying logic Create artwork Manage time effectively
Q12. Car : Wheel :: Bicycle : ?

Handlebar Pedal Spoke Saddle
Q13. What number should replace the question mark? 1, 2, 4, 7, 11, ?, 19

15 16 17 18
Q14. Which figure matches the provided pattern?

A B C D
Q15. If the time is 3:30, what is the reflection of this time in a vertical mirror?

8:30 9:30 7:30 8:30 (reflected)
Q16. Which of the following numbers has a symmetrical mirror image?

12 21 101 13
Q17. A circular paper is folded into quarters. If a small semi-circle is cut from the curved edge, how many semi-circles will be visible when unfolded?

2 3 4 5
Q18. Which of the following is a potential issue with simple rule detection based on frequency alone?

It can miss important but infrequent patterns. It might not capture the true relationship between items. It is computationally very expensive. It cannot handle large datasets.
Q19. The angle of elevation of the sun appears to be slightly altered when viewed through a 'water image' due to:

Aberration of light. Dispersion of light. Refraction through a non-uniform medium. Scattering by atmospheric molecules.
Q20. How many sides does an octagon have?

6 7 8 9

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