Coding-Decoding Mock Test | Reasoning | RRB NTPC

Q1. Identify the missing element: Circle, Square, Triangle, Circle, ?, Triangle.

Circle Square Pentagon Hexagon

Q2. If 'MONEY' is coded as 'PNMOY', how will 'BANK' be coded?

ABNK ABKN AKBN BANJ

Q3. In a certain code, 'FLOWER' is coded as 'SFOLRE'. How is 'PLANT' coded?

TLPAN TLNAP PLNAT TL N A P

Q4. What number should replace the question mark: 7, 17, 37, 77, ?, 317?

157 167 177 187

Q5. If LIFE = NJGF, what is DEAF coded as?

EFBG EFBH EFBI EFBJ

Q6. In a certain code, 'SHOE' is written as 'TIPF'. How is 'BOAT' written?

CPBU CPBT CPBT CPBU

Q7. In a coded language, 'EARLY' is coded as 'LATE', what is 'MORNING' coded as?

AFTERNOON NIGHT EVENING DAY

Q8. If '253' means 'good tasty food', '534' means 'tasty and good', and '785' means 'bad and good', what does 'good' mean?

5 3 2 4

Q9. What number completes the series: 11, 22, 33, __, 55, 66

43 44 45 46

Q10. Examine the geometric patterns. If the sequence continues, what will be the next figure in the series?

A hexagon with alternating shaded and unshaded sides, starting with shaded. A pentagon with all sides shaded. A hexagon with alternating shaded and unshaded sides, starting with unshaded. A hexagon with all sides unshaded.

Q11. If 'WAKE' is coded as 'XB LF', what is the code for 'SLEEP'?

SMFQQ SMFQQ SMFQQ SMFQQ

Q12. Find the odd one out: SHIRT, TROUSERS, SOCKS, SHOES

SHIRT TROUSERS SOCKS SHOES

Q13. If 'TRAVERSE' is coded as 'USBWFSTF' where vowels are replaced by the next consonant and consonants by the previous vowel, what is the original word for the code 'DFUHFY'?

DESIGNS DESIGHT DESIGNS DESIGHT

Q14. A 3x3 grid is filled with numbers. The sum of the numbers in the first column is 20. The sum of the numbers in the second column is 25. The sum of the numbers in the third column is 30. If the sum of the numbers in the first row is 22, the sum of the numbers in the second row is 28, and the sum of the numbers in the third row is 25, what is the number in cell (2,2)?

7 8 9 10

Q15. What is the decimal equivalent of the 12-bit two's complement binary number $111111101001_2$?

Q16. Which term should replace the question mark in the series: W23V, X22U, Y21T, Z20S, ?

A19R B18Q A19Q B18R

Q17. What is the output of the following: IF (5 > 3) AND (2 < 1)?

True False Error Nothing

Q18. If a transmission uses 8-bit ASCII with an even parity bit, and a byte is transmitted as '01000001' (A), what would the parity bit be?

0 1 It cannot be determined without knowing the specific parity scheme. It depends on the number of set bits in the data byte.

Q19. What is the process of identifying and fixing errors in code called?

Compiling Debugging Interpreting Algorithm Design

Q20. Which of these is a common method for determining similarity between text documents?

Calculating the distance between their physical locations Counting the number of common words Measuring their file sizes Checking if they are in the same folder

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