Q.1 If in a certain code, CAT is written as DBU, how is DOG written in that code?
EPH
DPH
EQH
EPI
Explanation - Each letter is replaced by the next letter in the English alphabet: C→D, A→B, T→U; so D→E, O→P, G→H.
Correct answer is: EPH
Q.2 In a code language, PEN is written as QFM. How is INK written in that code?
JOL
JML
JNL
JOK
Explanation - Each letter is replaced by the next one in the alphabet: P→Q, E→F, N→M. Thus I→J, N→M, K→L.
Correct answer is: JML
Q.3 If 2468 is coded as 1357, how is 3579 coded?
2468
2346
4680
2469
Explanation - Each digit is decreased by 1: 2→1, 4→3, 6→5, 8→7; hence 3→2, 5→4, 7→6, 9→8.
Correct answer is: 2468
Q.4 If 'ROAD' is coded as 'URDG', how is 'RAIL' coded?
UDLO
UDLN
UDNH
UDKH
Explanation - Each letter is moved two steps ahead: R→U, O→R, A→D, D→G. Similarly R→U, A→D, I→N, L→H.
Correct answer is: UDNH
Q.5 If 'TREE' is coded as 'UQFD', what is 'WOOD' coded as?
XNPF
XNPE
XMPF
YNPE
Explanation - Each letter is moved one step forward: T→U, R→Q, E→F, E→D. Same logic: W→X, O→N, O→P, D→F.
Correct answer is: XNPF
Q.6 In a certain code, TABLE is written as GZYOV. What does CHAIR become?
XUZRI
XUWRO
XUZRO
XUZRQ
Explanation - Each letter is coded by the reverse alphabet position: T→G, A→Z, B→Y, L→O, E→V; same logic for CHAIR.
Correct answer is: XUZRO
Q.7 If APPLE is coded as 12235, then GRAPE is coded as?
79235
79234
79245
79135
Explanation - A=1, P=2, L=3, E=5; G=7, R=9, A=1, P=2, E=5.
Correct answer is: 79235
Q.8 If in a certain language FLOWER is coded as GQPXFS, what is GARDEN coded as?
HBSDFO
HBSDFM
HBSEFM
HBSDEN
Explanation - Each letter is moved one step forward alphabetically.
Correct answer is: HBSDFO
Q.9 If 'SNAKE' is coded as 'TMBLF', what is 'LION' coded as?
MJPO
MJPQ
MJPOQ
MJQP
Explanation - Each letter moves one step forward: S→T, N→M, A→B, K→L, E→F. Same pattern for LION.
Correct answer is: MJPQ
Q.10 If HAND is coded as 8514, and FACE as 6132, how is HEAD coded?
8534
8513
8532
8512
Explanation - Mapping: H=8, A=5, N=1, D=4. Hence HEAD=8,5,E(3),D(4).
Correct answer is: 8534
Q.11 In a code, 'PAPER' is written as 'QBQFS'. How is 'PENCIL' written?
QFODJM
QFMDJL
QFODJL
QFOEJM
Explanation - Each letter shifts +1 alphabetically: P→Q, A→B, etc. So PENCIL→QFODJM.
Correct answer is: QFODJM
Q.12 If 'BIRD' is written as 'CJSF', how is 'CAT' written?
DBU
DBV
DBT
CBU
Explanation - Each letter increases by 1 in ASCII value.
Correct answer is: DBU
Q.13 If COMPUTER is coded as RFUVQNPC, how is LANGUAGE coded?
OBQFDVHF
OBQFDVHE
OBQFDVHG
OBQFDVHI
Explanation - Pattern involves letter shifting and reversal of halves. Consistent mapping gives OBQFDVHF.
Correct answer is: OBQFDVHF
Q.14 If 'SUN' is coded as 'TVM', how is 'MOON' coded?
NPPQ
NPPM
NPPO
NQPP
Explanation - Each letter is increased by 1: S→T, U→V, N→M. Apply to MOON.
Correct answer is: NPPQ
Q.15 In a certain code, 'BANK' is written as 'CBOL'. How is 'RISK' written?
SJTQ
SJTQ
SITL
SJTL
Explanation - Each letter moves +1 alphabetically.
Correct answer is: SJTL
Q.16 If 'PENCIL' is coded as 'QFODJM', then what is 'BOOK' coded as?
CPPL
CPPM
CPQL
CPQM
Explanation - Each letter increases by 1 in order.
Correct answer is: CPPL
Q.17 If 'MOTHER' is coded as 'NPSUIF', then 'FATHER' is coded as?
GBUIFS
GBTIHF
GBTJFS
GBTIFS
Explanation - Each letter +1 alphabetically.
Correct answer is: GBUIFS
Q.18 If A=1, B=2, …, Z=26, find the code for 'BAD'.
214
213
214
215
Explanation - B=2, A=1, D=4.
Correct answer is: 214
Q.19 If 'EASY' is coded as 'FBTZ', what is 'HARD' coded as?
IBSE
IBSD
IBSF
HASE
Explanation - Each letter +1 alphabetically.
Correct answer is: IBSE
Q.20 If 'STAR' is coded as 'TUBS', what is 'MOON' coded as?
NPPQ
NPPN
NPPM
NOPQ
Explanation - Each letter +1 alphabetically.
Correct answer is: NPPQ
Q.21 If 'SCHOOL' is written as 'TIDPOM', how is 'COLLEGE' coded?
DPMMFHF
DPMMFGF
DPMMFGG
DPMLFHF
Explanation - Each letter moves +1 alphabetically.
Correct answer is: DPMMFGF
Q.22 In a certain language, 'HELLO' is coded as 'JGNNQ'. What does 'WORLD' become?
YQTNF
YQUNF
XQTNF
YQTMF
Explanation - Each letter +2 alphabetically.
Correct answer is: YQTNF
Q.23 If 'BRIGHT' is coded as 'CSJHIU', what is 'DARK' coded as?
EBSL
EBRL
EBSM
ECSL
Explanation - Each letter +1 alphabetically.
Correct answer is: EBSL
Q.24 If 'SALT' is coded as 'TBMU', what is 'PEPPER' coded as?
QFQQFS
QFQQFR
QFRRFS
QFQRFS
Explanation - Each letter +1 alphabetically.
Correct answer is: QFQQFS
Q.25 If 'NIGHT' is coded as 'OJHIU', what is 'LIGHT' coded as?
MJHIU
MJHJU
MJHIV
MJHUU
Explanation - Each letter +1 alphabetically.
Correct answer is: MJHIU
Q.26 If 'HAT' is coded as 'IBU', what is 'CAP' coded as?
DBQ
DBR
CBQ
DAR
Explanation - Each letter +1 alphabetically.
Correct answer is: DBQ