Coding and Decoding Aptitude Questions Set2

Questions by Rejinpaul.com

1. If TAP is coded as SZO, then how is FREEZE coded ?

a)ATSSTS
b)EQDDYD
c)ESDDYD
d)EQDDZD

The Correct Answer is: b)EQDDYD
Explanation: Clearly,
T -1 = S
A -1 = Z
P -1 = O
So FREEZE will be,
F -1 E
R -1 Q
E -1 D
E -1 D
Z -1 Y
E -1 D

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2. In a certain code, SIKKIM is written as THLJJL,
how is TRAINING written in that code ?

a)SQBHOHOF
b)UQBHOIOF
c)UQBHOHOI
d)UQBHOHOF

The Correct Answer is: d)UQBHOHOF
Explanation: In given word, word is increasing and decreasing by one
alternatively as,
S +1 T
I -1 H
K +1 L
K -1 J
I +1 J
M -1 L
So in the same way TRAINING will be UQBHOHOF

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3. In a certain code, MENTION is written as LNEITNO.
How is PATTERN written in that code ?

) ATAETNR OTAETNR
b) OTAETNR
c)OTAESNR
d)STAETNR

The Correct Answer is: b) OTAETNR
Explanation: In the given word, we can analyse that,
M is decreased by 1, M-1 = L, and other words are
interchanged,
EN - NE
TI - IT
ON - NO
So PATTERN will be
P -1 O
AT - TA
TE - ET
RN - NR

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4. In a certain language, MADRAS is coded as NBESBT, how is BOMBAY coded in that code ?

)CPNCBZ
b) CPNCBX
c) DPNCBZ
d)DPNCBX

The Correct Answer is: )CPNCBZ
Explanation: Clearly every letter is increased by 1 as
M +1 N
A +1 B
D +1 E
R +1 S
A +1 B
S +1 T
So after increasing every character in work BOMBAY by 1, we get

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5. In a certain code, TRIPPLE is written as SQHOOKD. How is DISPOSE written in that code ?

)EJTQPTF
b) EJTQPTG
c)CHRPNRD
d)CHRONRD

The Correct Answer is: d)CHRONRD
Explanation: Clearly every letter is decreased by 1.

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6. In a certain code, TOGETHER is written as RQEGRJCT. In the same code, PAROLE will be written as,

)RYPQJG
b)RCPQJG
c) NCPQJG
d)NCPQJC

The Correct Answer is: c) NCPQJG
Explanation: The letters at the odd positions are moved two steps backward and the letters at even positions are moved two steps forward to get the value.So PAROLE will be NCPQJG

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7. In a certain code, TOGETHER is written as RQEGRJCT. In the same code, PAROLE will be written as,

)RYPQJG
b)RCPQJG
c) NCPQJG
d)NCPQJC

The Correct Answer is: c) NCPQJG
Explanation: The letters at the odd positions are moved two steps
backward
and the letters at even positions are moved two
steps forward to get the value.So PAROLE will be NCPQJG

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8. If JOSEPH is coded as FKOALD, then GEORGE will be coded as :

)CAKNCA
b) HAKNCA
c) CBKNCA
d)CALNCA

The Correct Answer is: )CAKNCA
Explanation: Each letter of the word is moved four step back to decode it.

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9. If COOL is coded as DQRP, then write the code for HOT

) JQW
b)IQW
c) IQX
d)IPW

The Correct Answer is: b)IQW
Explanation: In COOL, first letter is increased by 1, second by 2, third by 3 and so on.
So HOT will be coded as,
H+1 I
O+2 Q
T+3 W
So it will be IQW

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10. If COMPLETED is coded as MOCELPDET, then DIRECTION will be coded as :

) RIDTCENOJ
b) SIDTCENOI
c)RIDTCENOI
d) RIETCENOI

The Correct Answer is: c)RIDTCENOIMOC
Explanation: In given word, word is divided into three parts like
MOC+ELP+DET
So DIRECTION will be DIR+ECT+ION,which will be RIDTCENOI

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11. If in a certain language, COUNSEL is coded as BITIRAK, how is GUIDANCE written in that code ?

) EOHYZJBB
b)FOIYZJBB
c) FOHYZJBB
d) None of above

The Correct Answer is: c) FOHYZJBB
Explanation: The letters at odd positions are each moved one
stepbackward, while the letters at even positions are
respectivelymoved six, five, four, three,
two,... steps backward to obtainthe corresponding letters of the code.

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12. If FRIEND is coded as HUMJTK, how is CANDLE written in that code ?

) EDRIRL
b) DCQHQK
c)DEQJQM
d)FYOBOC

The Correct Answer is: ) EDRIRL
Explanation: The first, second, third, fourth, fifth and sixth letters of th word are respectively moved two, three, four, five, six and seven steps forward to obtain the corresponding letters of the code.So CANDLE will be coded as EDRIRL.

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