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Mock Test

Exam: RRB NTPC Subject: Reasoning Topic: Coding-Decoding
Total Questions: 20
  1. Q1. If 'WATER' is coded as 'XBUFS', how will 'EARTH' be coded?
  2. Q2. Choose the sentence with the correct placement of the adverb 'quickly'.
  3. Q3. What is the sum of the interior angles of a hexagon?
  4. Q4. If 'PEN' is coded as 'QFO', what is the code for 'PENCIL'?
  5. Q5. What is the IEEE 754 single-precision floating-point representation for the decimal number 0.5?
  6. Q6. The line graph shows the change in the price of gold over a month. What was the percentage increase in the price from the beginning to the end of the month?
  7. Q7. If a system uses an 8-bit sign-magnitude representation, what is the decimal value of $10110101_2$?
  8. Q8. A plant receives water if the soil moisture is below 30% AND the ambient temperature is above 25°C. It receives additional nutrients if the soil moisture is below 20% OR the leaf color is 'Yellow'. If the soil moisture is 25% and the ambient temperature is 28°C, and the leaf color is 'Green', does the plant receive additional nutrients?
  9. Q9. Identify the sentence that best conveys the concept of 'ephemeral beauty' using elevated language.
  10. Q10. In a certain code, 'REVERSE' is coded as 'ESREVER'. If 'FORWARD' is coded as 'DRAWROF', how is 'BACKWARD' written?
  11. Q11. In a certain code, 'MASTER' is coded as 'NBTTFS'. How is 'PAGE' coded?
  12. Q12. If you have multiple conditions that need to be met, which logical operator is most appropriate?
  13. Q13. Determine the next element in the sequence: 26Z5, 24Y10, 22X15, 20W20, ?
  14. Q14. Consider the string 'AAAAABBBCCDAAAAA'. If we apply simple repetition coding, what would be a potential coded representation?
  15. Q15. If 'SIMPLE' is coded as 'ELPMIS', what is the code for 'COMPLEX'?
  16. Q16. In the sequence 2, 4, 6, 8, ?, what is the next number?
  17. Q17. What is the result of adding the binary numbers 1011 and 0101?
  18. Q18. If 'FULL' is coded as 'EMPTY', how is 'NEAR' coded?
  19. Q19. If 'PERFECT' is coded as 'QFSGFDU', what will be the code for 'RESULT'?
  20. Q20. Analyze the pattern of arrows: → ↑ ← ↓ → ↑ ... What is the 7th arrow?

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