Aptitude & Reasoning

Coding and Decoding Aptitude Questions with Answers PDF Coding and Decoding PDF Question Bank:

Question: If rat is called dog, dog is called mangoose, mangoose is called lion, lion is called snake and snake is called an elephant, which is reared as pet?
(a) Rat
(b) Dog
(c) Mangoose
(d) Lion
Ans: (c)

Ques. If in a certain language GAMBLE is coded as FBLCKF, how can FLOWER be coded in that language?
(a) GKPVFQ
(b) EMNXDS
(c) GMPVDS
(d) HNQYGT
Ans. (b)

Question: If ‘nso ptr kli chn’ stands for ‘sharma get marriage gift’, ‘ptr lnm wop chn’ stands for ‘wife gives marriage gift’, ‘tti wop nhi’ stands for ‘he gives nothing’ what would mean ‘gives’?
(a) chn
(b) nhi
(c) ptr
(d) wop
Ans: (d)

Related: Logical Puzzle Sample Paper

Question: If in a certain code language ABCD is written as ZYXW, then how is the word DANCE written in that code?
(a) WZMXV
(b) MXZWV
(c) VMZXM
(d) ZMWXV
Ans: (a)

Ques. If in a certain language CHAMPION is coded as HCMAIPNO, how can NEGATIVE be coded in that code?
(a) ENAGITEV
(b) NEAGVEIT
(c) MGAETVIE
(d) EGAITEVN
Ans. (a)

Ques. In a certain language KINDLE is coded as ELDNIK, how can EXOTIC be coded in that code?
(a) EXOTLC
(b) CXOTIE
(c) COXITE
(d) CITOXE
Ans. (d)

Related: Logical Reasoning Sample Paper

Ques. If in a certain language FASHION is coded as FOIHSAN, how can PROBLEM be coded in that code?
(a) ROBLEMP
(b) PLEBRUM
(c) PRBOELM
(d) PELBORM
Ans. (d)

Question: If diamond is called gold, gold is called silver, silver is called ruby and ruby is called emerald, which is the cheapest jewel?
(a) Diamond
(b) Silver
(c) Gold
(d) Ruby
Ans: (d)

Question: In a certain code, 15789 is written as XTZAL and 2346 is written as NPSU. How is 23549 written in that code?
(a) NPTUL
(b) PNTSL
(c) NPTSL
(d) NBTSL
Ans: (c)

Ques. If FRIEND is coded as HUMJTK, how can CANDLE be written in that code?
(a) EDRIRL
(b) DCQHQK
(c) ESJFME
(d) FYOBOC
Ans. (a)

Question: If GIVE is coded as 5137 and BAT is coded as 924, how is GATE coded?
(a) 5427
(b) 2547
(c) 5247
(d) 5724
Ans: (c)

Question: If in a certain language REMOTE is coded as ROTEME, which word would be coded as PNIICC?
(a) NPIICC
(b) PICCIN
(c) PINCIC
(d) PICINC
Ans: (d)

Related: SSC Sample Papers

Ques. If in a certain code, TWENTY is written as 863985 and ELEVEN is written as 323039, how can TWELVE be written in that code?
(a) 863203
(b) 863584
(c) 863903
(d) 863063
Ans. (a)

Question: In a certain code language,
(1) ‘pit na som’ means ‘bring me water’;
(2) ‘na jo tod’ means ‘water is life’;
(3) ‘jo lin kot’ means ‘Life and death’.
Which of the following represents ‘is’ in that language?
(a) jo
(b) na
(c) tod
(d) lin
Ans: (c)

Question: In a certain code language, ‘324’ means ‘Light is bright’, ‘629’ means ‘Girl is beautiful’ and ‘4758’ means ‘I prefer bright clothes’. Which digit means ‘Light’ in that language?
(a) 3
(b) 2
(c) 4
(d) 7
Ans: (a)

Question: In a certain code language, ‘479’ means ‘fruit is sweet’; ‘248’ means ‘very sweet voice’ and ‘637’ means ‘eat fruit daily’. Which digit stands for ‘is’ in that code?
(a) 7
(b) 9
(c) 4
(d) Can’t be determined
Ans: (b)

Question: If sky is called sea, sea is called water, water is called air, air is called cloud and cloud is called river, then what do we drink when thirsty?
(a) Sky
(b) Air
(c) Water
(d) Sea
Ans: (b)

Question: If cfv and EXCEL is coded as 93596, then how would you decode ACCEPT?
(a) 455978
(b) 547978
(c) 554978
(d) 735961
Ans: (a)

Related: SSC Sample Papers

Question: If PALAM could be given the code number 43, what code number can be given to SANTACRUZ?
(a) 75
(b) 85
(c) 120
(d) 123
Ans: (d)

Question: In a certain code, ROAD is written as URDG. How is SWAN written in that code?
(a) VXDQ
(b) VZDQ
(c) UXDQ
(d) VZCO
Ans: (b)

Question: In a certain code language, ‘3a, 2b, 7c’ means ‘Truth is Eternal’; ‘7c, 9a, 8b, 3a’ means ‘Enmity is not Eternal’ and ‘9a, 4d, 2b, 8b’ means ‘Truth does not perish’. Which of the following means ‘Enmity’ in that language?
(a) 3a
(b) 7c
(c) 8b
(d) 9a
Ans: (c)

Ques. If PALE is coded as 2134, EARTH is coded as 41590, how can is PEARL be coded in that language?
(a) 29530
(b) 24153
(c) 25413
(d) 25430
Ans. (b)

Related: Mental Ability Test

Directions: In each question there is a word written in capital letters with one letter underlined. For each letter in that word there is a code written in small letters. That code is denoted by either (a), ( B ), (c), (d) or (E) not in the same order. You have to find out the exact code for the underlined letter in the word. The number of that code is the answer. Please note that the same letter appear­ing in other word (s) may be coded differently.

Ques. HASTE
(a) c
(b) g
(c) v
(d) j
Ans. (c)

Ques. CLEAR
(a) a
(b) e
(c) c
(d) r

Ans. (b)

Ques. LIGHT
(a) w
(b) o
(c) I
(d) k
Ans. (a)

Related: Blood Relations Questions

Ques. If ROSE is coded as 6821, CHAIR is coded as 73456 and PREACH is coded as 961473, what will be the code for SEARCH?
(a) 246173
(b) 214673
(c) 214763
(d) 216473
Ans. (b)

Ques. In a certain code nee tim see means how are you ; ble nee see means where are you. What will be the code for where?
(a) nee
(b) tim
(c) see
(d) None of these
Ans. (d)

Ques. In a certain code language pit nae tom means apple is green ; nae ho tap means green and white and ho tom ka means shirt is white. Which of the following represents apple in that language?
(a) nae
(b) tom
(c) pit
(d) ho
Ans. (c)

Ques. If nitco sco tingo stands for softer than flower ; tingo rho mst stands for sweet flower fragrance and mst sco tmp stands for sweet than smile what would fragrance stand for?
(a) rho
(b) mst
(c) tmp
(d) sco
Ans. (a)

Ques. In a certain code language, 743 means Mangoes are good ; 657 means Eat good food ; and 934 means Mangoes are ripe. Which digit means ripe in that language?
(a) 5
(b) 4
(c) 9
(d) 7
Ans. (c)

Question: If ‘tee see pee’ means ‘Drink fruit juice’; ‘see kee tee’ means ‘Juice is Sweet’ and ‘Lee ree mee’ means ‘He is intelligent’, which word is that language means ‘sweet’?
(a) see
(b) kee
(c) lee
(d) pee
(e) tee
Ans: (b)

Question: If in a certain language, CALCUTTA is coded as GEPGYXXE which word would be coded as FSQFCE?
(a) BOMBYA
(b) BOMBAY
(c) BOMYAB
(d) BOBAYM
Ans: (a)

Related: Logical Puzzle Sample Paper

Directions : In column I below, some words are given. In column II, their codes are given but they are not arranged in the same order in which they are in column I. Study the letters in both the columns and find out the code to the fettergiven in each of the following questions, from among the given alternatives.

 Column I Column II SOUND abi ADDRESS cjmv CRUX ikmop NET ijktv CRONY jkgotv CROWDY blooppv

Ques. What is the code used for the letter A ?
(a) b
(b) l
(c) v
(d) None of these
Ans. (b)

Ques. What is the code used for the fetter C ?
(a) j
(b) k
(c) l
(d) None of these
Ans. (a)

Ques. What is the code used for the letter D ?
(a) k
(b) l
(c) m
(d) None of these
Ans. (d)

Related: General English Practice Paper

Ques. What is the code used for the letter N ?
(a) a
(b) e
(c) q
(d) None of these
Ans. (d)

Question: If in a certain language MYSTIFY is coded as NZTUJG, how is NEMESIS coded in that language?
(a) MDLHRDR
(b) OFNFTJT
(c) ODNHTDR
(d) PGOKUGU
Ans: (b)

Question: If B = 2, H = 8 and CAB = 6, then what is the number value of RACE?
(a) 31
(b) 30
(c) 28
(d) 27
(e) 29
Ans: (d)

Directions : In column I below, some words are given. In column II, their codes are given but they are not arranged in the same order. Study the letters in both the columns and find out the code to the letter given in each of the following questions, from among the given alternatives. The code for a letter will be same throughout

 Column I Column II (i) DRGEX (a) 1 2 5 6 7 (ii) AXPRD (b) 1 2 3 5 8 (iii) SDRKG (c) 1 2470 (iv) KLPSX (d) 3 4 5 9 0 (v) SGPAK (e) 3 4 7 8 0 (vi) PXDAG (f) 2 3 5 7 8 (vii) GKSAE (g) 4 6 7 8 0

Ques.  What is the code used for the letter D ?
(a) 2
(b) 3
(c) 5
(d) 1
Ans. (a)

Ques.  What is the code used for the letter P ?
(a) 8
(b) 5
(c) 3
(d) 2
Ans. (c)

Ques.  What is the code used for the letter E ?
(a) 4
(b) 7
(c) 8
(d) 6
Ans. (d)

Question: In a certain code, MENTION is written as LNEITNO. How is PATTERN written in that code?
(a) APTTREM
(b) PTAETNR
(c) OTAETNR
(d) OTAETRN
Ans: (c)

Related: Mental Ability Sample Paper

Question: If in a certain language, NEOMAN is coded as OGRQFT, which word will be coded as ZKCLUP?

(a) YJBKTO
(b) XIAJSN
(c) YIZHPJ
(d) YIAQKJ
Ans: (c)