IPMPrepIn a certain code, POCKET is written as UFLDPQ. How is PAPER written in that code?
Solution
Reverse the word and move each letter 1 place forward: POCKET → TEKCOP → UFLDPQ.
PAPER → REPAP → SFQBQ.
Answer: (B) SFQBQ
Logical Reasoning and Data Interpretation · Coding and analogies
Coding-Decoding: IPMAT practice questions
24 questions. Each is marked with the exam level it suits. Answer, then open the step-by-step solution.
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If NIGHT is coded as 14-9-7-8-20, how is PLACE coded?
Solution
Each letter is replaced by its position counted from A (A = 1): N = 14, I = 9, …
So PLACE = 16-12-1-3-5.
Answer: (D) 16-12-1-3-5
If DREAM is written as 25938 and ORANGE is written as 453619, how is NRGOD written in that code?
Solution
Each letter always gets the same digit: N = 6, R = 5, G = 1, O = 4, D = 2.
So NRGOD = 65142.
Answer: (D) 65142
If PLACE = 42 in a certain code, what is HOUSE in that code?
Solution
The code is the sum of the letter positions plus the number of letters: for PLACE, the positions add to 37, giving 42.
For HOUSE: 8 + 15 + 21 + 19 + 5 = 68, giving 73.
Answer: (A) 73
In a certain code, POCKET is written as NMAICR. Which word is written as LYRGML in that code?
Solution
Coding moves each letter 2 places backward, so decoding moves each letter 2 places forward.
LYRGML → NATION.
Answer: (D) NATION
In a certain code, FOREST is written as OFERTS. How is KITTEN written in that code?
Solution
The letters are swapped in pairs: FO RE ST → OF ER TS.
So KITTEN → IKTTNE.
Answer: (B) IKTTNE
In a certain code, WINTER is written as NIWRET. How is BRIDGE written in that code?
Solution
Split the word into two halves and reverse each: WIN | TER → NIW | RET.
So BRIDGE → IRBEGD.
Answer: (B) IRBEGD
In a code language, 'rose very the' is written as 'ka ne bi', 'very dark night' as 'ne po si' and 'the dark rose' as 'ka bi po'. What is the code for 'night'?
Solution
'very' is common to the first two sentences, so its code is the one common to their codes: ne.
'dark' is common to the second and third: po.
The remaining word in the second sentence is 'night', so its code is si.
Answer: (D) si
In a certain code, SCHOOL is written as VFKRRO. Which word is written as NLWWHQ in that code?
Solution
Coding moves each letter 3 places forward, so decoding moves each letter 3 places backward.
NLWWHQ → KITTEN.
Answer: (A) KITTEN
In a certain code, RABBIT is written as IZYYRG. How is TABLE written in that code?
Solution
Each letter is replaced by its opposite letter (A↔Z, B↔Y, C↔X, …; the positions add up to 27).
TABLE → GZYOV.
Answer: (C) GZYOV
In a certain code, BASKET is written as ABKSTE. How is SILVER written in that code?
Solution
The letters are swapped in pairs: BA SK ET → AB KS TE.
So SILVER → ISVLRE.
Answer: (C) ISVLRE
If DREAM is coded as 23-9-22-26-14, how is NIGHT coded?
Solution
Each letter is replaced by its position counted from Z (Z = 1, Y = 2, …, A = 26): D = 23, R = 9, …
So NIGHT = 13-18-20-19-7.
Answer: (A) 13-18-20-19-7
If SILVER = 170 in a certain code, what is CAMPUS in that code?
Solution
The code is twice the sum of the letter positions: for SILVER, the positions add to 85, giving 170.
For CAMPUS: 3 + 1 + 13 + 16 + 21 + 19 = 73, giving 146.
Answer: (D) 146
In a certain code, YOUTH is written as BLFGS. How is ORANGE written in that code?
Solution
Each letter is replaced by its opposite letter (A↔Z, B↔Y, C↔X, …; the positions add up to 27).
ORANGE → LIZMTV.
Answer: (A) LIZMTV
In a certain code, GOLDEN is written as HNMCFM. How is RIVER written in that code?
Solution
Letters in odd positions move 1 forward and letters in even positions move 1 back: GOLDEN → HNMCFM.
So RIVER → SHWDS.
Answer: (B) SHWDS
In a certain code, SILVER is written as QGJTCP. How is LIGHT written in that code?
Solution
Each letter of SILVER moves 2 places backward: S → Q, I → G, …
So LIGHT → JGEFR.
Answer: (D) JGEFR
In a code language, 'cold night dark' is written as 'vu bi fo', 'night eat red' as 'ne bi ka' and 'dark eat cold' as 'vu ka fo'. What is the code for 'red'?
Solution
'night' is common to the first two sentences, so its code is the one common to their codes: bi.
'eat' is common to the second and third: ka.
The remaining word in the second sentence is 'red', so its code is ne.
Answer: (A) ne
In a certain code, KITTEN is written as LHUSFM. How is WATER written in that code?
Solution
Letters in odd positions move 1 forward and letters in even positions move 1 back: KITTEN → LHUSFM.
So WATER → XZUDS.
Answer: (B) XZUDS
In a certain code, SILVER is written as VLOYHU. How is PENCIL written in that code?
Solution
Each letter of SILVER moves 3 places forward: S → V, I → L, …
So PENCIL → SHQFLO.
Answer: (A) SHQFLO
In a certain code, SCHOOL is written as HCSLOO. How is OFFICE written in that code?
Solution
Split the word into two halves and reverse each: SCH | OOL → HCS | LOO.
So OFFICE → FFOECI.
Answer: (B) FFOECI
In a certain code, MARKET is written as VGMTCO. How is CLOUD written in that code?
Solution
Reverse the word and move each letter 2 places forward: MARKET → TEKRAM → VGMTCO.
CLOUD → DUOLC → FWQNE.
Answer: (B) FWQNE
In a certain code, MARKET is written as NCUOJZ. How is CAMPUS written in that code?
Solution
The 1st letter moves 1 place forward, the 2nd 2 places, the 3rd 3 places, and so on: MARKET → NCUOJZ.
So CAMPUS → DCPTZY.
Answer: (D) DCPTZY
In a certain code, PAPER is written as GRCRT. How is PLACE written in that code?
Solution
Reverse the word (REPAP), move each letter 2 places forward (TGRCR), then move the first letter to the end (GRCRT).
PLACE → ECALP → GECNR → ECNRG.
Answer: (B) ECNRG
In a certain code, NATION is written as OCWMTT. How is MARKET written in that code?
Solution
The 1st letter moves 1 place forward, the 2nd 2 places, the 3rd 3 places, and so on: NATION → OCWMTT.
So MARKET → NCUOJZ.
Answer: (D) NCUOJZ
These are original practice questions written by Target Campus in the pattern, syllabus and difficulty of IPMAT Indore, IPMAT Rohtak, JIPMAT, NPAT and SET. They are not previous-year papers.