Coding-Decoding Mock Test | Reasoning | RRB NTPC

Q1. What is the purpose of 'variable declaration' in coding?

To perform calculations To assign values to memory locations To reserve a name for a memory location that will hold a value To control the flow of execution

Q2. In Java, what is the output of `System.out.println(15 % 4);`?

3 4 0 2

Q3. On a circular clock face, if the minute hand moves from the 20-minute mark to the 50-minute mark in an anticlockwise direction, what is the equivalent clockwise movement in minutes?

10 minutes 20 minutes 30 minutes 40 minutes

Q4. Find the missing letter: F, G, H, I, ?, J.

K L M N

Q5. Which of the following is an example of a comparison operator?

+ - * <

Q6. What is the result of adding the binary numbers 1011 and 0101?

10000 1110 1100 1010

Q7. If 'ACE' is coded as 'BDF', what is the pattern?

Each letter is replaced by the next letter. Each letter is replaced by the previous letter. Letters are shifted by a constant amount. Letters are shifted by varying amounts.

Q8. A pattern of numbers is formed where each number is obtained by taking the previous number, reversing its digits, and then adding 1. This entire process is repeated cyclically. If the starting number is 12, what is the 5th number in the sequence?

12 21 22 32

Q9. In a code, 'REVOLUTION' is coded as 'SFWPMVUJPO', what is the code for 'REGENERATION'?

SFEFOFSBUJPO SFEFOHFSBUJPO SFEFOFSBHUJPON SFEFOFSBHUJPON

Q10. In 'Coding by Exceptions', what is the term for a situation that disrupts the normal flow of program execution?

Normal flow Exception Success case Default behavior

Q11. If 'ACCOMPANY' is coded as 'BDDPVOUZ', how is 'UNDERSTAND' coded?

VOEFSUBTOE VOEFSUTBOE VOEFSUTBOD VOEFSUTBOE

Q12. Fill in the blank: 7, 14, 21, __, 35, 42

26 27 28 29

Q13. What comes next in the pattern: Up arrow, Down arrow, Left arrow, Right arrow, Up arrow, __?

Down arrow Left arrow Right arrow Up arrow

Q14. In the sequence 8, 16, 24, __, 40, 48, what is the missing element?

30 31 32 33

Q15. If 'PEN' is coded as '5', 'INK' is coded as '8', and 'PENCIL' is coded as '10', what is 'ERASER' coded as?

10 12 11 13

Q16. In a game, points are awarded based on level and items collected. A player gets a bonus multiplier of 2x if they are on level 5 OR have collected 3 special items. They get a multiplier of 1.5x if they are on level 3 AND have collected 2 special items, but NOT on level 5 and having collected 3 special items. If a player is on level 3 and has collected 3 special items, what is their bonus multiplier?

1x 1.5x 2x 3x

Q17. In a code, 'CAPITAL' is coded as 'LATIPAC'. If 'GENERAL' is coded as 'LA RENEG', how is 'SPECIAL' written?

LAICEPS LAICE PS LAICESP LAIC SE P

Q18. The letters 'RLSEU' unscramble to form a programming keyword.

LUSER RULES SLURE REULS

Q19. 'ven' means 'wind' and 'blow' is 'tov'. What is 'wind blow'?

tov ven ven tov ven tov

Q20. Find the odd one out from these data storage media:

Hard Disk SSD USB Drive RAM

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