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 Coding and Decoding Questions

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Q:

If in a certan language FASHION is coded as FOIHSAN, how is PROBLEM codedin that code?

A) PELBORM B) PRBOELM
C) RPBOELM D) RPBOELM
 
Answer & Explanation Answer: A) PELBORM

Explanation:

The first and the last letters of the word remain as such and the remaining letters are written in a reverse order, to obtain the code.

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Q:

In a certain code language , 'PROBLEM' is written as MPERLOB. How will 'PROBLEM' is written as MPERLOB. How will 'NUMBERS' be written in that code?

A) SNUREMB B) SNRUBME
C) SNRUEMB D) SNRUMEB
 
Answer & Explanation Answer: C) SNRUEMB

Explanation:

 123456PROBLE7M⇒716253MPERLO4B

Similarly, 123456NUMBER7S⇒716253SNRUEM4B

 

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127 24336
Q:

In a certain code language STUDENT is written as TUTDNES.How will SOURCES be writte in that code language?

A) SOURCES B) SUORECS
C) SRUOCES D) SOURSEC
 
Answer & Explanation Answer: B) SUORECS

Explanation:

- There are 7 letters in the word

- The middle letter has been left intact

- The first and the last letters  of the word have interchanged their position. Similarly, the second and the third letters and the fifth and sixth letters have interchanged their position.

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167 23869
Q:

In a certain code language 'how many goals scored' is written as '5397'; 'many more matches' is written as '982'; and 'he scored five' is written as '163'. How is 'goals' written in that code language ?

A) 5 B) 7
C) 3 D) Data is not sufficient
 
Answer & Explanation Answer: D) Data is not sufficient

Explanation:

From the given data,
how many goals scored = 5397....(1)
many more matches = 982.....(2)
he scored five = 163.....(3)
from (1)&(2), many = 9 ....(4)
from (1)&(3), scored = 3 ....(5)
Using (4)&(5)in(1), we get goals = 5 or 7.

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62 21421
Q:

In a certain code language ‘ROUTINE’ is written as 'VMRGFLI'. How will 'CRUELTY' be written in that code language ?

A) UPVCZLR B) VPCVZRL
C) CVCPZRL D) VCPCZLR
 
Answer & Explanation Answer: B) VPCVZRL

Explanation:

ROUTINE IS 7 LETTER WORD.. (1st=R,2nd=O,3rd=U,4th=T,5th=I,6th=N,7th=E)
1st and 3rd letter interchanging. (UORTINE)
5th and 7th letter interchanging. (UORTENI)
1st letter shifting one after that (VORTENI)
2nd letter shifting two befor that (VMRTENI)
3rd letter remains same (VMRTENI)
4th letter
(total alphabets - current)+1
(26 - 20)+1= 7.(i.e) G (VMRGFNI)
5th letter shifting one after that (VMRGFNI)
6th letter shifting two befor that (VMRGFLI)
7th letter remains same (VMRGFLI
Like that,
CRUELTY IS 7 LETTER WORD.. (1st=C,2nd=R,3rd=U,4th=E,5th=L,6th=T,7th=Y)
1st and 3rd letter interchanging. (URCELTY)
5th and 7th letter interchanging. (URCEYTL)
1st letter shifting one after that (VRCEYTL)
2nd letter shifting two befor that (VPCEYTL)
3rd letter remains same (VPCEYTL)
4th letter
(total alphabets - current)+1
(26 - 5)+1= 22.(i.e) V (VPCVYTL)
5th letter shifting one after that (VPCVZTL)
6th letter shifting two befor that (VPCVZRL)
7th letter remains same (VPCVZRL).

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Exam Prep: AIEEE , Bank Exams , CAT
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142 21262
Q:

If in a certain language if ENTRY is coded as 12345 and STEADY is coded as 931785, then state which is the correct code for below word. NEATNESS

A) 25196577 B) 21732199
C) 21362199 D) 21823698
 
Answer & Explanation Answer: B) 21732199

Explanation:

The alphabets are soded as shown :

 

E N T R Y S A D1 2  3 4  5  9 7  8

 

N is coded as 2,

 

E as 1,
A as 7,
T as 3   and
S as 9.
So, NEATNESS is coded as 21732199.

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118 19626
Q:

In a certain code language CONCENTRATION is written as QQJGZIGQGDMLX. How will NITRIFICATION be written in that code language?

A) QQJGZXRIKSGRM B) QQJGYXRIKSGRM
C) QQJGZXRIKSGRN D) QQJGZRIKSGSM
 
Answer & Explanation Answer: A) QQJGZXRIKSGRM

Explanation:

The first three letters are coded as same positioned letters from the right end of the alphabet. So are the seventh to tenth letters. The fourth , fifth and sixth letters move one, two and three positions forward respectively in the alphabet. So, do the last three letters. Thus,

CONCENTRATION => XLMDGQGIZGJQQ

Now reverse this and we get QQJGZIGQGDMLX

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96 18668
Q:

In a certain code language, 'DKQX' is written as 'WPJC'. How will 'AFKP' be written as in that language?

 

A) ZTOK B) ZUQI
C) ZUPK D) ZUPK
 
Answer & Explanation Answer: C) ZUPK

Explanation:
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