Mock Test

Exam: RRB NTPC Subject: Reasoning Topic: Coding-Decoding

Total Questions: 20

Q1. Which concept is closely related to 'Coding by Similarity'?

Data compression Clustering Encryption Data validation
Q2. Choose the sentence that correctly forms the possessive of 'cat'.

The cats toy. The cat's toy. The cats's toy. The cates toy.
Q3. If a sequence is defined as: if the previous term is even, the next term is (previous term / 2) + 3; if odd, the next term is (previous term * 3) - 1. Starting with 10, what is the 3rd term?

8 10 13 16
Q4. If 'M' is coded as 'P', 'N' as 'Q', and 'O' as 'R', what would 'P' be coded as?

S T U V
Q5. In a certain code, 'CAT' is written as 'DBU'. How is 'DOG' written in that code?

EPH EFI FOH EOG
Q6. In a coded language, '396' means 'books are old', '739' means 'they are old', and '675' means 'most are old'. What is the code for 'books'?

9 6 3 7
Q7. In a grid pattern, if 'INDIA' is coded as '9 14 4 9 1', and 'JAPAN' is coded as '10 1 16 1 14', what is the code for 'CHINA'?

3 8 9 14 1 3 8 9 14 2 8 3 9 14 1 8 3 9 14 2
Q8. In a certain code, 'MESSAGE' is coded as 'MSAEGES'. What is the code for 'WELCOME'?

WLECMEO WLECOEM WELOCME WLECEMO
Q9. In a code language, 'CALCULATOR' is written as 'CBSDVMBUPR', how is 'COMPUTER' written?

CPNQVUFS CPNQUSFS CPNQVSFS CPNQVTFS
Q10. What is 70 divided by 7?

7 8 9 10
Q11. Which of these is the largest 4-bit binary number?

1000 0111 1111 1010
Q12. If 'EASY' is coded as 'EASY', and 'DIFFICULT' is coded as 'DIFFCULIT', what is the code for 'COMPLICATED'?

COMPLCATED COMPLICDAET COMPLICATED COMPLICAETD
Q13. A program checks for valid input. Input is valid if it's a number AND between 10 and 100 (inclusive). If it's a number but not between 10 and 100, it's 'Out of Range'. If it's not a number, it's 'Invalid Type'. Which code handles this?

if type(value) == int or type(value) == float: if value >= 10 and value <= 100: print('Valid') if isinstance(value, (int, float)): if value >= 10 and value <= 100: print('Valid') else: print('Out of Range') else: print('Invalid Type') if value >= 10 and value <= 100: print('Valid') elif type(value) != int and type(value) != float: print('Invalid Type') else: print('Out of Range') if not isinstance(value, (int, float)): print('Invalid Type') elif value < 10 or value > 100: print('Out of Range') else: print('Valid')
Q14. If 'WONDER' is coded as '23 15 14 4 5 18', which grid pattern is most likely used?

Column-wise filling Row-wise filling Spiral filling Zig-zag filling
Q15. If 'CONSTITUTIONAL' is coded as 'LANOITUTSNOC', what is the code for 'DOCUMENTATION'?

NOITATNEUCOD NOITATNEUCOD NOITATNEUCOD NOITATNEUCOD
Q16. Which logical operator is used to check if AT LEAST ONE of the conditions is true?

AND NOT XOR OR
Q17. Which sentence most accurately and elegantly describes the cyclical nature of history?

History repeats itself in patterns. The inexorable march of historical epochs, characterized by recurring themes of conflict, progress, and societal transformation, suggests an enduring cyclical pattern. Events in history happen over and over. History often follows the same patterns of change.
Q18. Which sentence correctly uses the past participle of 'eat'?

I have eat breakfast. She has ate lunch. They have eaten dinner. He have eaten a apple.
Q19. If 'BANK' is coded as '2114112', how is 'INDIA' coded?

914491 914492 914493 914494
Q20. Which of the following is NOT a typical step in coding by problem-solving?

Analyzing the problem Designing an algorithm Writing the code Predicting the stock market

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