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Coding-Decoding Questions and Answers

Important Instructions
111.

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

Answer: C

he letters at odd positions are each moved one step backward, while the letters at even positions are respectively moved six, five, four, three, two,... steps backward to obtain the corresponding letters of the code.

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112.

If DELHI is coded as 73541 and CALCUTTA as 82589662, how can CALICUT be coded ?

Answer: C

The alphabets are coded as follows :

D E L H I C A U T
7 3 5 4 1 8 2 9 6

So, in CALICUT,
C is coded as 8, 
A as 2,
L as 5,
I as 1,
U as 9   and
T as 6.
Thus, the code for CALICUT is 8251896.

 

 

 

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113.

In a certain code, RIPPLE is written as 613382 and LIFE is written as 8192. How is PILLER written in that code ?

Answer: A

The alphabets are coded as shown :

R I P L E F
6 1 3 8 2 9

So, in PILLER,
P is coded as 3,
I as 1,
L as 8,
E as 2   and
R as 6.
Thus, the code for PILLER is 318826.

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114.

If ROSE is coded as 6821, CHAIR is coded as 73456 and PREACH is coded as 961473, what will be the code for SEARCH ?

Answer: B

The alphabets are coded as shown :

R O S E C H A I P
6 8 2 1 7 3 4 5

9

So, in SEARCH,
S ia coded as 2,
E as 1,
A as 4,
R as 6,
C as 7,
H as 3.
Thus, the code for SEARCH is 214673.

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115.

If in a certain code, TWENTY is written as 863985 and ELEVEN is written as 323039, how is TWELVE written in that code ?

Answer: A

The alphabets are coded as shown :

T W E N Y L V
8 6 3 9 5 2 0

So, In TWELVE ,
T is coded as 8,
W as 6,
E as 3,
L as 2,
V as 0.
Thus, the code for  TWELVE is 863203.

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116.

If the letters in PRABA are coded as 27595, and THILAK are coded as 368451, how can BHARATHI be coded ?

Answer: C

The alphabets are soded as shown :

P R A B T H I L K
2 7 5 9 3 6 8 4 1

So, B is coded as 9, 
H as 6,
A as 5,
R as 7,
T as 3   and
I as 8.
Thus, the code for BHARATHI is 96575368.

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117.

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

Answer: D

There are 8 letters in the word.

- The coded word can be obtained by taking the immediately following letters of word, expect the first and the last letters of the given word but in the reverse order. That means, in the coded form the first and the last letters have been interchanged while the remaining letters are coded by taking their immediate next letters in the reverse order.

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118.

In a certain code language,

'134' means 'good and tasty';

'478' means 'see good pictures'  and

'729' means 'pictures are faint'.

Which of the following digits stands for 'see'?

Answer: D

In the first and second statements, the common code digit is '4' and the common word is 'good'.

So, '4' stands for 'good'.
In the second and third statements, the  common code digit is '7' and the common word is 'pictures'.
So, '7' means 'pictures'.
Thus, in the second statements, '8' means 'see'.

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119.

In a certain code language,

(A) ‘pit na som’ means ‘bring me water’

(B) ‘na jo tod’ means ‘water is life’

(C) ‘tub od pit’ means 'give me toy’

(D) ‘jo lin kot’ means ‘life and death’

Which of the following represents 'is' in that language ?

Answer: C

In statements A and B, the common code word is 'na' and the common word is 'water'.

So, 'na' means 'water'.

In statements B and D, the common code word is 'jo' and the common word is 'life'.
So, 'jo' means 'life'.
Thus, in statements B, 'tod' represents 'is'.

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120.

If Z = 52 and ACT = 48, then BAT will be equal to

Answer: D

Correct answer: 46

Each letter is worth twice its position in the alphabet, as Z = 26 × 2 = 52 confirms. Checking against the second clue, ACT = 1 + 3 + 20 = 24, and 24 × 2 = 48. So BAT = 2 + 1 + 20 = 23, and \[ 23 \times 2 = 46. \]

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