Coding Decoding Questions for RRB Group D Set-4 PDF
Download Top-10 RRB Group-D Coding Decoding Questions Set-4 PDF. RRB Group – D Coding Decoding questions based on asked questions in previous exam papers very important for the Railway Group-D exam.
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Question 1: CEGI: RTVX: IKMO: ?
a) JKNP
b) MNQP
c) LNPR
d) DFHI
Question 2: In a certain code language, if ALLOW is coded as ODOZR, then how is DELAY coded in that language?
a) GHODB
b) CEPIH
c) HGOBD
d) WVOZB
Question 3: In a certain code language, if ALTER is coded as ODWUH, then how is DEPTH coded in that language?
a) LXTIH
b) HGSKW
c) WVKGS
d) GHSWK
Question 4: In a certain code, ‘JOVIAL’ is written as ‘NQZKEN’. How would ‘FIGURE’ be written in that code?
a) JKKVWG
b) JKKWVG
c) JKKWGV
d) JKWKVG
Question 5: If in a certain code, ‘bir le nac’ means ‘green and tasty’, ‘pic nac hor’ means ‘tomato is green’ and ‘coc bir hor’ means ‘food is tasty’, which of the following means ‘tomato is tasty’ in that code?
a) bir le hor
b) pic hor nac
c) hor bir pic
d) pic le coc
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Question 6: If ‘tir sil fit’ stands for ‘nice big home’; ‘kon hit sil’ stands for ‘home is good’ and ‘bdf zkr kon’ stands for ‘cost is low’, which word would represent ‘good’?
a) hit
b) kon
c) zkr
d) sil
Question 7: In a certain code, ‘ABC DEF’ is written as ‘ZYX WVU’. How would ‘LOSS’ be written in that code?
a) OWHH
b) OLHH
c) OHLL
d) OMHH
Question 8: If ‘DELHI’ is coded as ‘CCIDD’, how will ‘BOMBAY’ be coded?
a) AMJXSV
b) AMJVXS
c) AMJXVS
d) AJMTVT
Question 9: If in a certain language, ‘oka peru’ means ‘fine cloth’, ‘meta lisa’ means ‘clear water’ and ‘dona lisa peru’ means ‘fine clear weather’, what word in that language mean ‘weather’?
a) meta
b) dona
c) oka
d) peru
Question 10: In a certain code, ‘GROWTH’ is written as ‘HQPVUG’ and ‘FOUR’ is written as ‘GNVQ’. How is ‘PROBLEMS’ written in that code?
a) QQPAKDNR
b) QQNCMDNR
c) OQPAMDNR
d) QQPAMDNR
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Answers & Solutions:
1) Answer (C)
The code uses the letters in the alphabetical series in an inverted fashion. For example: A is used in the place of Z, B in the place of Y, etc. Also they are inverted. So, The last letter comes first in the code. So, I is replaced with R, K with P, M with N and O with L. The code is LNPR.
2) Answer (C)
3) Answer (B)
4) Answer (B)
Each letter of the word JOVIAL follows the pattern +3 and +1 alternatively .
J + 3 = N
O + 1 = Q
V + 3 = Z
I + 1 = K
A + 3 = E
L + 1 = N
Similarly, FIGURE is JKKWVG
5) Answer (C)
bir le nac’ means ‘green and tasty’,……………..(1)
‘pic nac hor’ means ‘tomato is green’…………….(2)
‘coc bir hor’ means ‘food is tasty’………………..(3)
from (1) and (2) nac = green
from (1) and (3) bir = tasty
le = and
from (2) and (3) hor = is
pic = tomato
hor pir bic means ‘tomato is tasty’
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6) Answer (A)
tir sil fit’ stands for ‘nice big home………………(1)
‘kon hit sil’ stands for ‘home is good’……………(2)
‘bdf zkr kon’ stands for ‘cost is low’…………….(3)
from (1) and (2) sil = home
from (2) and (3) kon = is
thus good = hit
7) Answer (B)
Given,
‘ABC DEF’ is written as ‘ZYX WVU’
To solve this code, first write out the alphabet, and
then write out the alphabet in reverse below it:
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Z Y X W V U T S R Q P O N M L K J I H G F E D C B A
∴ ‘LOSS’ can be coded as ‘OLHH’ , as the reverse of ‘L’ is ‘O’,’O’ is ‘L’,’S’ is ‘H’.
8) Answer (C)
9) Answer (B)
‘oka peru’ means ‘fine cloth’, ‘meta lisa’ means ‘clear water’ and ‘dona lisa peru’ means ‘fine clear weather’
from this when we look for the common codes, we get
fine=peru
clear=lisa
weather=dona
10) Answer (D)
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