Classical

Coding Decoding - Coding Decoding MCQ

11:  

 In a .certain code-language, CUL, WAP, DIR means red little box, SUT; MAD BIX, means well arranged pile, BIX, FAC, DIR means pile of boxes. The code for 'of here is ?

A.

FAC

B.

SUT

C.

DIR

D.

BIX

 
 

Option: A

Explanation :

CUR    WAP    DIR   ---------(1)
 red       little    boxes
BIX       FAC       DIR    -------(2)
pile       of          boxes.
So DIR = boxes

BIX       FAC       DIR  --------- (2)
pile      of           boxes
SUT     MAD      BIX  --------- ---(3)
well     arrange  pile
So BIX = pile
Thus of = FAC


12:  

 In a code language 256 means 'you are good', 637 means 'we are bad', 358 means 'good and bad'. Find the code for 'and'.

A.

2

B.

5

C.

8

D.

3

 
 

Option: C

Explanation :

 

You are good = 256
We are bad = 637
Are = 6
We are bad = 637
Good and bad = 358
bad = 3
you are good = 256
good and bad = 358
good=5 so and = 8


13:  

 If GUN is coded as HVO. find the code for PEN.

A.

QFO

B.

CDP

C.

RST

D.

NOT

 
 

Option: A

Explanation :

Every letter in the code is one letter ahead such as G =R, U=V, N=0 Thus P = Q, E = F, N = 0


14:  

KNOWLEDGE is coded as 256535475. How can GENERAL be coded

A.

7549993

B.

7559913

C.

755591

D.

7555913

 
 

Option: D

Explanation :

Add unit and tens of numerical value of letters such as

K =11= 1 + 1 = 2                G= 7 = 7 + 0 = 7
N=14= 1 + 4= 5                  E=5          
O=15= 1 + 5 = 6                 N=5
W=23= 2 + 3 = 5                 E=5
L=12= 1 + 2 = 3                  R=9                                             
E= 5 = 5 + 0 = 5                  A=1
R=18= 1 + 8=9                   L=3
D= 4 = 4 + 0 = 4
 


15:  

 If BOY is coded as ACNPXZ. What will be the code for LIFE?

A.

KMHJEGDF

B.

LMGHEGDF

C.

LMHJGEFD

D.

None of these

 
 

Option: A

Explanation :

B = AC  It means original letters can be inserted in
O = NP between the two coded letters Y=XZ
So      L=KM,
           I=HJ ,
          F=EG
and   E = DF




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