Coding and Decoding Questions & Answers : Logical Reasoning

21.

If in a certain language KINDLE is coded as ELDNIK, how is EXOTIC coded in that code ?

   A.) EXOTLC
   B.) CITOXE
   C.) CXOTIE
   D.) COXITE

Answer: Option 'B'

The letters of the word are written in a reverse order to obtain the code.

22.

If AT=20, BAT=40, then CAT will be equal to

   A.) 30
   B.) 50
   C.) 60
   D.) 70

Answer: Option 'C'

60

  • In this type of questions agroup of wors or a sentence is coded as a whole and on the basis of common words you are required to ascertain the code for each word.

23.

In a code language 'Sh Me Ya' means 'Rock Then Young' and 'Me Yo Na Ya' means 'Wise Young Sharp Rock'. Which code represents 'Then' in the given code language?

   A.) Ya
   B.) Me
   C.) Sh
   D.) Cannot be determained

Answer: Option 'C'

Sh Me Ya => Rock Then Young 
Me Yo Na Ya => Wise Young Sharp Rock 
It is clear that sh => then

24.

In a certain code COMPUTER is written as RFUVQNPC. How will MEDICINE be written in that code?

   A.) ETRVKGU
   B.) DUQWJHT
   C.) DURWJIT
   D.) EUQWKHT

Answer: Option 'C'

DURWJIT

25.

If in a certain code, TEACHER is written as VGCEJGT, how would DULLARD be written in the same code ?

   A.) FWNNCTF
   B.) FWNNBTE
   C.) FWMNCTF
   D.) FWNNCSF

Answer: Option 'A'

Each letter of the word is moved two steps forward to obtain the code.

  • Directions (11 - 15):
    In this type of questions, either preceding of following letter stands as code letter for each of the letters of the given word.

26.

In a certain code MTUXTRVN is written as NUVXTQUM. How will ASUMNJKL be written in that code?

   A.) BTVMNIJK
   B.) BTVMNKLM
   C.) BTVNMIJK
   D.) ZRTMNIJK

Answer: Option 'A'

There are 8 letters in the word. 
The codes for first three letters can be obtained by taking the following letters.
The fourth and the fifth letters are written as they are in the word. 
The last three letters have been coded by taking the preceding letters.

27.

If ‘nso ptr kli chn’ stands for ‘Sharma gets 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

Answer: Option 'D'

wop

28.

In a certain code, PAPER is written as SCTGW. How is MOTHER written in that code ?

   A.) ORVLGW
   B.) PQXJJT
   C.) PQXKJV
   D.) PQVJGT

Answer: Option 'B'

The first, third and fifth letters of theword are respectively moved three, four and five steps forward,
while the letters at even positions are each moved two steps forward to obtain the corresponding letters of the code.

29.

If FRAGRANCE is written as SBHSBODFG, how can IMPOSING be written ?

   A.) NQPTJHOJ
   B.) NQPTJOHJ
   C.) NQPTJOHI
   D.) NQTPJOHJ

Answer: Option 'B'

Each letter in the word is moved one step forward and the first letter of the group so obtained is put at the end, to obtain the code.

30.

In a certain code, 15789 is written as AXBTC, 2346 is written as MPDU. How is 23549 written in that code ?

   A.) MPXDT
   B.) MPADC
   C.) MPXDC
   D.) MPXCD

Answer: Option 'C'

The numbers are coded as shown:

1 5 7 8 9 2 3 4 6
A X B T C M P D U

i.e., 2 as M,
3 as P,
5 as X,
4 as D   and
9 as C.
So, 23549 is coded as MPXDC.

31.

What is the code for 'you sing sweet'?

   A.) loo sam am
   B.) loo pee joo
   C.) pee sam loo
   D.) Cannot be determained

Answer: Option 'C'

you --> loo 
sing --> sam 
sweet --> pee

32.

If the animals which can walk are called swimmers, animals who crawl are called flying, those living in water are called snakes and those which fly in the sky are called hunters, then what will a lizard be called ?

   A.) Swimmers
   B.) Flying
   C.) Hunters
   D.) Snakes

Answer: Option 'B'

Clearly, a lizard crawls and the animals that crawl are called 'flying'.
So, 'lizard' is called 'flying'.

33.

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

   A.) CHRONRD
   B.) EJTQPTG
   C.) CHRPNRD
   D.) EJTQPTF

Answer: Option 'A'

Clearly every letter is decreased by 1.
So DISPOSE will be CHRONRD

34.

If HEATER is written as KBDQHO, how will you encode COOLER ?

   A.) FLIRHO
   B.) FRLIHO
   C.) ALRIHV
   D.) FLRIHO

Answer: Option 'B'

The first, third and fifth letters of the word are each moved three steps forward while the second, fourth and sixth letters are each moved three steps backward to obtain the corresponding letters of the code.

35.

If white is called blue, blue is called red, red is called yellow, yellow is called green, green is called black, black is called violet and violet is called orange, what would be the colour of human blood ?

   A.) Yellow
   B.) Red
   C.) Green
   D.) Violet

Answer: Option 'A'

The colour of the human blood is 'red' ans as given, 'red' is called 'yellow'.
So, the colour of human blood is 'yellow'.

36.

If in a certain language, 943 is coded as BED and 12448 is coded as SWEET, how is 492311 coded in that language ?

   A.) EDSWBS
   B.) TSWBDD
   C.) EBWDSS
   D.) EBDSWE

Answer: Option 'C'

The numbers are coded as shown:

9 4 3 1 2 8
B E D S W T

i.e., 4 as E,
9 as B,
2 as W,
3 as D   and
1 as S.
So, 492311 is coded as EBWDSS.

37.

If PEOPLE is coded as PLPOEE, how is TREND coded ?

   A.) TRDNE
   B.) TNERD
   C.) DNERT
   D.) TREDN

Answer: Option 'B'

The first and the last letters of the word remain unchanged, while the second and second last, third and third last so on are interchanged, to obtain the code.

38.

If green is called red, red is called yellow, yellow is called blue, blue is called orange and orange is called green,  Then what is the colour of clear sky?

   A.) Blue
   B.) Yellow
   C.) Green
   D.) Red

Answer: Option 'B'

Yellow

39.

If JOSEPH is coded as FKOALD, then GEORGE will be coded as

   A.) DBLODB
   B.) CAKNCA
   C.) CADMNO
   D.) CAKNIT

Answer: Option 'B'

Each letter of the word is moved four steps backward to obtain the code.

40.

If white is called blue, blue is called red, red is called yellow, yellow is called green, green is called Black, black is called violet and violet is called orange, What would be the colour of human blood?

   A.) Red
   B.) Green
   C.) Yellow
   D.) Violet

Answer: Option 'C'

Yellow


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