Coding Decoding – Railway Reasoning

Total Questions: 50

11. In a certain language, FRENCH is coded as 83145186, HAPPEN is written as 145161618. What is the code for GERMAN in the same language? [NTPC CBT – I 30/12/2020 (Evening)]

Correct Answer: (a) 141131857
Solution:

12. In a certain language, ABHIMANYU is written as BAIJNBOUY. How will KARMPUTRA be written as in that language? [NTPC CBT – I 08/01/2021 (Morning)]

Correct Answer: (d) AKSNQVUAR
Solution:

13. In a certain code language, RICE is written as 73. How will FLOUR be written as in that language? [NTPC CBT – I 13/01/2021 (Evening)]

Correct Answer: (d) 63
Solution:

Using opposite letter
R = 18 → (27 - 18) = 9
I = 9 → (27 - 9) = 18
C = 3 → (27 - 3) = 24
E = 5 → (27 - 5) = 22
So, RICE = (9 + 18 + 24 + 22) = 73
Similarly,
F = 6 → (27 - 6) = 21
L = 12 → (27 - 12) = 15
O = 15 → (27 - 15) = 12
U = 21 → (27 - 21) = 6
R = 18 → (27 - 18) = 9
So, the code for FLOUR
= (21 + 15 + 12 + 6 + 9) = 63

14. In a code language TYPEWRITERS is written as PETYRWTEITSR. How will BRAINSTORMER be written in that language? [NTPC CBT – I 16/01/2021 (Morning)]

Correct Answer: (a) AIBRSNRMTORE
Solution:

15. If JRDRCEBD is coded as 14 16 20 06, then what will be the code for OZCTECHD? [NTPC CBT – I 16/01/2021 (Morning)]

Correct Answer: (b) 19 18 09 04
Solution:

In JRD RCEBD
→ J + D = 10 + 4 = 14,
→ R - B = 18 - 2 = 16
→ D × E = 5 × 4 = 20
→ R ÷ C = 18 ÷ 3 = 6

Similarly in OZCTECHD
→ O + D = 15 + 4 = 19,
→ Z - H = 26 - 8 = 18
→ C × C = 3 × 3 = 09
→ T ÷ E = 20 ÷ 5 = 04

16. In a certain code language, STORMY is written as ABFIDG. How will LOTUS be written as in that language? [NTPC CBT – I 20/01/2021 (Morning)]

Correct Answer: (d) CFBCA
Solution:

17. In a certain code language, STUDFARM is written as FGHQSNEZ. How will NUCLEAR be written in that language? [NTPC CBT – I 20/01/2021 (Morning)]

Correct Answer: (c) AHPYRNE
Solution:

In a certain code language,
STUDFARM is written as FGHQSNEZ.
Here the difference between the place values of the corresponding letters = 13;
So, NUCLEAR will be written in that language as :
14 - 13 = 1 = A
21 - 13 = 8 = H
3 - (-13) = 16 = P
12 - (-13) = 25 = Y
5 - (-13) = 18 = R
1 - (-13) = 14 = N
18 - 13 = 5 = E
i.e. NUCLEAR : AHPYRNE

18. In a certain code, ‘ITNIETAM’ is coded as ‘INTIMATE’. How will ‘TREVNIETARBI’ be coded? [RRB JE 24/05/2019 (Evening)]

Correct Answer: (d) INVERTIBRATE
Solution:

firstly divide letters in half and then arranged in reverse order.

19. In a certain code language, ‘EXACT’ is written as 91685 and ‘MILK’ is written as 7243. In that code language, ‘MELT’ will be written as______ [ALP Tier II 23/01/2019 (Afternoon)]

Correct Answer: (b) 7945
Solution:

20. In a certain code language, if CRIMES is coded as VGQMWI, then how will RENTAL be coded in that same language? [RPF Constable 18/01/2019 (Evening)]

Correct Answer: (d) IVXRPE
Solution: