Coding Decoding – Railway Reasoning part – VII

Total Questions: 50

31. The secret code for ‘TREE GOES UNDER THE FLOOR MAT’ is ‘ASEE JKEZ VMCES ATE DRKKS NQA’. What will be the code for ‘DRAGON’ be? [RRB NTPC 22/01/2021 (Evening)]

Correct Answer: (d) CSQJKM
Solution:

Here, Fix coding used.
D = C, R = S, A = Q, G = J, O = K, N = M
Hence, code for ‘DRAGON’ = CSQJKM

32. In a certain code 2307 means “See you on Monday”, 638 means “Monday is working”, and 4079 means “Meet you on Sunday”. 697 means “You working Sunday”. What number represents the word, ‘working’? [RRB NTPC 22/01/2021 (Evening)]

Correct Answer: (a) 6

33. In a certain code language, if TREE is SQDD. which of the below options will be CUSHION ? [RRB NTPC 22/01/2021 (Evening)]

Correct Answer: (b) BTRGHNM
Solution:

34. In a certain language, ‘Delhi is capital’ is written as ‘753 852 159’, ‘Ram lives in Delhi’ is written as, ‘153 253 159 157’ and ‘Ram is teacher’ is written as ‘753 157 954’. What is “capital” coded as? [RRB NTPC 21/01/2021 (Evening)]

Correct Answer: (d) 52
Solution:

(sum of positions of all letters) × 2
DOG = 4 + 15 + 7 = 26 × 2 = 52

35. If CALM is coded as XZON, then LOVE will be coded as: [RRB NTPC 23/01/2021 (Morning)]

Correct Answer: (c) OLEV
Solution:

Opposite of the given letters are written.
LOVE = OLEV

36. In a certain code language, if #S* means ‘table is clean’, @ D# means ‘Clean and neat’ and @? means ‘neat girl’, then what is the code for ‘and’ in that language? [RRB NTPC 23/01/2021 (Morning)]

Correct Answer: (b) D
Solution:

37. If BED is coded as 42516, then DIG will be coded as: [RRB NTPC 23/01/2021 (Morning)]

Correct Answer: (d) 168149
Solution:

Square of place value of letters are written.
BED = 42516
DIG = 168149

38. In a certain code language, MIRROR is written as NRILII. How will MOBILE be written as in that language? [RRB NTPC 23/01/2021 (Evening)]

Correct Answer: (a) NLYROV
Solution:

Opposite of letters are written.
MOBILE = NLYROV

39. In a certain code language, RAM is written as TYO. How will CPU be written in that language? [RRB NTPC 23/01/2021 (Evening)]

Correct Answer: (c) ENW
Solution:

R + 2 = T, A - 2 = Y, M + 2 = O
Similarly, C + 2 = E, P - 2 = N, U + 2 = W
CPU = ENW

40. In a certain code, if HOTEL is written as 30, then how will LATE be written as ? [RRB NTPC 25/01/2021 (Morning)]

Correct Answer: (c) 19
Solution:

(Addition of numerical value) ÷ 2
HOTEL (8 + 15 + 20 + 5 + 12) → 60 ÷ 2 = 30
LATE (12 + 1 + 20 + 5) → 38 ÷ 2 = 19