Coding Decoding Questions for Railway Exam – Group-D and RRB ALP
Coding Decoding Questions – Group-D and ALP
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Railway Important Question and Answers PDF
Question 1:
In a code language, ‘KINDLE’ is written as ‘ELDNIK’. How can EXOTIC be written in the same language ?
a) EXIOTC
b) COXITE
c) CXOTIE
d) CITOXE
Question 2:
In a certain code language 278 means ‘run very fast’ 853 means ‘come back fast’ and ‘376’ means ‘run and come’ then ‘back’ may be represented by the digit
a) 3
b) 7
c) 5
d) 6
Question 3:
In a certain language “Raja and Rani” is written as “ni mo chi” and Rani of Jhansi” is written as “mo ko lo” then “Raja of Jodhpur” may be coded as
a) chi ko so
b) chi mo so
c) ni ko lo
d) chi ni so
Question 4:
If JRURLVDN represents HOSPITAL in a code language then DOCTOR is represented by
a) FREURT
b) FRDVRT
c) FREVRT
d) FRFVRT
Question 5:
If ‘training is coded as ‘tannriig’ then how is ‘placement’ coded ?
a) paeeltcmn
b) paeetlcnm
c) paectlemn
d) paeetlcmn
Railway Group-D online Mock Test
Solutions 1 to 5
1) Answer (d)
The code uses the same letters as the original word but in an inverted fashion. So, EXOTIC is coded as CITOXE.
2) Answer (c)
In 278 and 853, 8 and fast are common.
In 853 and 376, 3 and come are common
So, back is represented by 5 in 853.
3) Answer (a)
The common word in the first and second scripts is Rani which is therefore coded as mo. The second and third scripts have to have a common word in their codes ( of) but not mo. So, option a is the right answer.
4) Answer (c)
The code language uses the letter + 2 to start and the letter + 3 in the second place, letter + 2 in the third spot and the letter +2 in the third from last spot and the letter + 3 in the last but one spot and the letter + 2 in the last place.
So, it is +2 +3 + 2 …… +2 +3 +2
5) Answer (d)
The code consists of selecting all the odd terms first and then followed by even terms of the word.
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