Coding-Decoding Mock Test | General Intelligence and Reasoning | RRB Group D

Q1. If 'JAM' is coded as '419', how will 'MUD' be coded?

941 149 419 914

Q2. The given table shows the number of students who passed and failed in an exam from different schools. The total number of students who appeared from School A is 800. If the number of students who failed in School B is 15% less than the number of students who passed in School A, and the number of students who passed in School C is 20% more than the number of students who failed in School B, what is the ratio of students who passed in School B to students who failed in School C?

11:15 13:15 15:13 15:11

Q3. What is a 'language model' in the context of coding by machine learning?

A model that translates natural language to code A model that predicts the probability of a sequence of tokens A model that optimizes code execution speed A model that identifies programming errors

Q4. If 'COMPUTER' is coded as 'FMQDVQUK', how is 'LOGICAL' coded?

MSPHDBM MSPHDCJ MSPIBDM MSPIBCJ

Q5. If 'COMPUTER' is coded as 'FRPXWKHU', what is the code for 'PROBABLE'?

SXLCEYRG SXLCEYQR SXLCEYQR SXLCEYGS

Q6. A flowchart uses a `FOR` loop to iterate through a sequence. If the loop is designed to execute 5 times, starting from an index of 0, what will be the value of the loop counter in the last iteration?

0 4 5 6

Q7. In a particular code, 'ORANGE' is coded as 'XEVKGI'. How is 'BANANA' coded?

YMNMNM YMNYMN YMNMYN YMNXMN

Q8. What is the primary use of a hash table in algorithms?

Efficiently sorting data Performing complex mathematical calculations Fast insertion, deletion, and searching of key-value pairs Generating random numbers

Q9. A flowchart is designed to calculate the sum of an arithmetic progression. If the first term is 'a', the common difference is 'd', and the number of terms is 'n', what is the formula for the sum, typically represented in a processing block?

n/2 * (2a + (n-1)d) n * (a + (n-1)d) n/2 * (a + l) a + (n-1)d

Q10. Consider the series: 4, 9, 16, 25, 36, ?, 64. What is the next term?

45 49 50 51

Q11. Consider the following code snippet: num = 10 if num % 2 == 0: print('Even') else: print('Odd')

Even Odd 10 Error

Q12. Identify the verb in the sentence: 'Birds fly in the sky.'

Birds in the sky fly sky

Q13. In a certain code, 'FLOWER' is coded as 'EKNBDS'. How is 'CHILDREN' coded in that code?

BKGJCHDM BKGJCHDN BKJHCHDM BKJHCDKM

Q14. When training a Transformer model to generate code, what is the role of the positional encoding?

To capture semantic relationships between tokens To represent the frequency of tokens in the input sequence To inject information about the relative or absolute position of tokens in the sequence To prevent overfitting by introducing noise

Q15. Morse code is a system of dots and dashes. What is it used for?

Cooking Communicating messages Playing sports Writing stories

Q16. If 'GENERAL' is coded as '751418512', how is 'SPECIFIC' coded?

19165369193 19165369110 19165369111 19165369112

Q17. What is the code for 'CLEAN' if 'BRAVE' is coded as 'CTBWG'?

DM FCO DM FBO DM FCO DM FDO

Q18. If 'HIKE' is coded as 'IJLF', what would 'LEAP' be coded as?

MFBQ MFBQ MFBR MFBS

Q19. Which type of cryptanalysis involves an attacker having access to both plaintext and its corresponding ciphertext?

Ciphertext-only attack Known-plaintext attack Chosen-ciphertext attack Brute-force attack

Q20. If 'JUMP' is coded as 'ITLO', how will 'FALL' be coded in that language?

DZOK DZOL DZPK DZOK

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