38 Coding-Decoding (Reasoning) questions asked in RRB JE previous year papers, each with the correct answer and explanation. Read them free on UTpaper, or attempt the full papers as timed online tests.
In a certain code language,
‘pen pencil eraser’ is coded as ‘qp fq pw’,
‘pencil crayon box’ is coded as ‘bz er qp’ and
‘box pen board’ is coded as ‘er bq fg’.
(All the codes are two-letter coded only.)
What is the code for 'pencil' in that language?
In a certain code,
‘butter milk ghee’ is coded as ‘dy la mt’,
‘biscuit ghee salad’ is coded as ‘bz qp la’ and
‘salad butter egg’ is coded as ‘st bz dy’.
All the codes are two-letter codes only.
What is ghee coded as?
In a certain code language,
'A + B' means ‘A is the son of B’,
'A − B' means ‘A is the brother of B’,
'A × B' means ‘A is the wife of B’ and
'A ÷ B' means ‘A is the father of B’.
How is S related to H if ‘S − D × F + G ÷ H’?
In a certain code language,
'A + B means ‘A is the son of B’,
'A − B means ‘A is the brother of B’,
'A × B means ‘A is the wife of B’ and
'A ÷ B means ‘A is the father of B’.
How is S related to H if ‘S + D × F ÷ G − H’?
In a certain code language,
'pillow blanket bed’ is coded as ‘ma ph st’,
‘bed window door’ is coded as ‘cd le ma’ and
‘door pillow wall’ is coded as ‘st bq cd’.
(All the codes are two-letter codes only.)
What is the code for 'wall' in that language?
In a certain code language,
‘mountains hills rocks’ is coded as ‘dy ph mt’,
‘rocks valleys rivers’ is coded as ‘lp ph st’ and
‘rivers mountains forests’ is coded as ‘st bq dy’.
(All the codes are two-letter codes only.)
What is the code for 'valleys' in that language?
In a certain code language,‘guns and roses’ is coded as ‘li mh ca’,‘for the roses’ is coded as ‘mh bo ph’ and‘guns for colours’ is coded as ‘ca bo qu’. What is the code for 'roses' in that language?
In a certain code language,
'actor singer dancer’ is coded as ‘ma ph st’,
‘dancer doctor engineer’ is coded as ‘cd le ma’ and
‘engineer actor cricketer’ is coded as ‘st bq cd’.
(All the codes are two-letter codes only.)
What is the code for 'actor' in that lanuage?
In a certain code, ‘copy book pencil’ is coded as ‘fd rl sg’, ‘pencil crayon eraser’ is coded as ‘bz xw rl’, and ‘crayon copy pen’ is coded as ‘xw sg xo’.What is the code for 'book' in that language?
(Note: All the codes are two letter coded only.)
In a certain code language,
'A + B' means ‘A is the son of B’,
'A − B' means ‘A is the brother of B’,
'A × B' means ‘A is the wife of B’ and
'A ÷ B' means ‘A is the father of B’.
How is S related to H if ‘S − D + F ÷ G × H’?
In a certain code language,
‘hat tie watch’ is coded as ‘zm ph mt’,
‘belt bow tie’ is coded as ‘la oe zm’,
'bow watch clip’ is coded as ‘oe mt dy’.
What is the code for 'hat' in that language? (Note: All the codes are two-letter coded only.)
In a certain code,
‘red blue green’ is coded as ‘dy ph mt’,
‘blue violet black’ is coded as ‘lp ph st’ and
‘black red white’ is coded as ‘st bq dy’.
All the codes are two-letter codes only.
What is white coded as?
In a certain code language,
'A + B' means ‘A is the son of B’,
'A − B' means ‘A is the brother of B’,
'A × B' means ‘A is the wife of B’ and
'A % B' means ‘ A is the father of B’.
How is S related to H if ‘S × D + F % G − H’?
In a certain code, ‘air water land’ is coded as ‘dy ph mt’,‘fire land ice’ is coded as ‘lp ph st’, and‘water fire grass’ is coded as ‘st bq dy’.What is the code for 'land' in that language?
(Note: All the codes are two letter coded only.)
In a certain code language,‘fast and furious’ is coded as ‘bo li ke’,‘quick is furious’ is coded as ‘ke ra ng’ and‘fast but quick’ is coded as ‘ng li ty’. What is the code for 'furious' in that language?
In a certain code,
‘floor door room’ is coded as ‘bn la mt’,
‘door chair table’ is coded as 'wd bn ka’ and
‘chair room window’ is coded as ‘ka bz la’.
All the codes are two-letter code only.
What is room coded as?
In a certain code,‘silence gold words’ is coded as ‘nu mh ke’,‘gold is precious’ is coded as ‘mh bi py’ and‘silence is calm’ is coded as ‘nu py gh’.What is the possible code for 'gold silence' in that language?
If in a code language, If ‘A’ stands for ‘÷’, ‘B’ stands for ‘×’, ‘C’ stands for ‘+’ and ‘D’ stands for ‘−’, then the resultant of which of the following would be 55?
In a certain code language,
A + B means ‘A is the daughter of B’
A – B means ‘A is the brother of B’
A x B means ‘A is the wife of B’
A ÷ B means ‘A is the father of B’
Based on the above, how is E related to K if ‘E – F + G x H ÷ K’?
In a certain code,
'parents teach good values' is coded as 'sc fs ye un',
'strong values shape character' is coded as 'lx zv fs lb' and
'good habits discipline strong' is coded as 'ye hk gb zv'.
(All the codes are two-letter codes only.)
What is the possible code for ‘character’?
In a certain code,
'green apple sweet' is coded as 'ta lo mi'
'red apple fresh' is coded as 'ku lo pe'
'green mango fresh' is coded as 'ta si pe'
(all the codes are two letter coded only)
What is the code for “green apple”?
In a certain code,
‘boy likes games’ is coded as 'tu vw xy'
‘girl likes music’ is coded as 'za vw rs'
‘music games hobby’ is coded as 'rs xy pq'
Q. What is the code for hobby ?
In a certain code language,
‘A + B’ means ‘A is the son of B’,
‘A – B’ means ‘A is the sister of B’,
‘A x B’ means ‘A is the wife of B’ and
‘A ÷ B’ means ‘A is the father of B.
How is Q related to D if ‘Q + E ÷ R – C x D’?
In a certain code,
'big grand wedding' is coded as 'rc af bg'
'grand birthday celebration' is coded as 'kp vg rc'
'enjoy big celebration' is coded as 'af zd vg'
(all the codes are two letter coded only)
What is the possible code for ‘birthday bash’?
In a certain code language,
A + B means ‘A is the daughter of B’
A – B means ‘A is the brother of B’
A x B means ‘A is the wife of B’
A ÷ B means ‘A is the father of B’
Based on the above, how is E related to K if ‘E – F + G ÷ H x K’?
In a certain code,
'cracking lame jokes' is coded as 'kt vs fm'
'cracking colourful fireworks' is coded as 'fi ye kt'
'lame but colourful' is coded as 'vs xc ye'
(all the codes are two letter coded only)
What is the possible code for ‘fireworks lame’?
In a certain code,
'blue pen write' is coded as 'ka tu re'
'red pen draw' is coded as 'mo tu si'
'blue brush draw' is coded as 'ka lo si'
(all the codes are two letter coded only)
What is the code for “blue pen”?
In a certain code language,
A + B means ‘A is the daughter of B’
A – B means ‘A is the brother of B’
A x B means ‘A is the wife of B’
A ÷ B means ‘A is the father of B’
Based on the above, how is E related to K if ‘E+F÷G–HxK’?
In a certain code language,
A + B means ‘A is the mother of B’,
A – B means ‘A is the brother of B’,
A x B means ‘A is the wife of B’,
A % B means ‘A is the father of B’ and
A # B means ‘A is the daughter of B’.
How is E related to J if ‘E % V + T # H % J’?
In a certain code,
'great people gathering' is coded as 'sc nj gy'
'great minds together' is coded as 'xg jp sc'
'read people minds' is coded as 'nj ys jp'
(all the codes are two letter coded only)
What is the code for 'together gathering'?
In a certain code language,
A + B means ‘A is the son of B’
A – B means ‘A is the sister of B’
A x B means ‘A is the wife of B’
A ÷ B means ‘A is the father of B’
Based on the above, how is C related to G if ‘C x S + D ÷ F – G’?
In a certain code,
‘child plays game’ is coded as 'ra so tu'
‘adult plays work’ is coded as 'ke so mi'
‘game work activity’ is coded as 'tu mi lo'
Q. What is the code for activity?
In a certain code language,
A + B means ‘A is the daughter of B’
A – B means ‘A is the brother of B’
A x B means ‘A is the wife of B’
A ÷ B means ‘A is the father of B’
Based on the above, how is E related to K if ‘E x F – G + H ÷ K’?
In a certain code,
'heavy metal music' is coded as 'mx zb kg'
'heavy storm warning' is coded as 'kw vg mx'
'crazy metal storm' is coded as 'zb rq vg'
(all the codes are two letter coded only)
What is the code for 'warning music'?
In a certain code,
'tall boy smart' is coded as 'we ki no'
'short boy lazy' is coded as 'pa ki ru'
'tall girl lazy' is coded as 'we sa ru'
(all the codes are two letter coded only)
What is the code for “tall boy”?
In a certain code language,
A + B means ‘A is the mother of B’,
A – B means ‘A is the brother of B’,
A x B means ‘A is the wife of B’,
A % B means ‘A is the father of B’ and
A # B means ‘A is the daughter of B’.
How is F related to M if ‘F # H x J % E % M’?
In a certain code language,
A + B means ‘A is the son of B’
A – B means ‘A is the sister of B’
A x B means ‘A is the wife of B’
A ÷ B means ‘A is the brother of B’
Based on the above, how is C related to G if ‘C x S + D – F ÷ G’?
AMother's sister's son
BFather's sister's daughter
CSister's son's wife
DMother's sister's daughter
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Correct answer: (C) Sister's son's wife
How to use these RRB JE Reasoning questions
Every question here was asked in a real RRB JE paper; the paper and shift are shown on the card, and the number opens the question on its own page. Try each one before tapping Show answer, then attempt the full RRB JE papers as timed tests to check your speed under exam conditions.