Coding-Decoding Questions and Answers

Q: If air is called green , green is called blue, blue is called sky, sky is called yellow, yellow is called water and water is called pink, then what is the color of clear sky ?

Correct answer: SkyThe question is what the colour of a clear sky is called in this language. A clear sky is blue, and blue is called sky, so the answer is sky. It is worth reading the chain in the right direction: sky is called yellow, which answers a different question altogether.

Q: If VICTORY is coded as YLFWRUB, how can SUCCESS be coded ?

Correct answer: VXFFHVVEach letter advances three places: V→Y, I→L, C→F, T→W, O→R, R→U, Y→B, the last wrapping past Z. SUCCESS gives S→V, U→X, C→F, C→F, E→H, S→V, S→V. The repeated letters again provide the check: the two C’s must give the same letter, and so must the three S’s.

Q: If FRIEND is coded as HUMJTK, how is CANDLE written in that code ?

Correct answer: EDRIRLThe shift increases along the word. FRIEND to HUMJTK is F+2, R+3, I+4, E+5, N+6, D+7. Applying the same increasing shift to CANDLE gives C+2=E, A+3=D, N+4=R, D+5=I, L+6=R, E+7=L, that is EDRIRL. A constant shift would not reproduce the example, so the differences must be worked out letter by letter.

Q: If FRIEND is coded as HUMJTK, how is CANDLE written in that code ?

Correct answer: EDRIRLThe shift increases by one along the word: F+2, R+3, I+4, E+5, N+6, D+7 turns FRIEND into HUMJTK. CANDLE under the same rule gives C+2=E, A+3=D, N+4=R, D+5=I, L+6=R, E+7=L, that is EDRIRL.

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81.

If air is called green , green is called blue, blue is called sky, sky is called yellow, yellow is called water and water is called pink, then what is the color of clear sky ?

A.Blue
B.Sky
C.Yellow
D.Water

Answer: B

Correct answer: Sky

The question is what the colour of a clear sky is called in this language. A clear sky is blue, and blue is called sky, so the answer is sky. It is worth reading the chain in the right direction: sky is called yellow, which answers a different question altogether.

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82.

If VICTORY is coded as YLFWRUB, how can SUCCESS be coded ?

A.VXEEIVV
B.VXFFHVV
C.VYEEHVV
D.VYEFIVV

Answer: B

Correct answer: VXFFHVV

Each letter advances three places: V→Y, I→L, C→F, T→W, O→R, R→U, Y→B, the last wrapping past Z. SUCCESS gives S→V, U→X, C→F, C→F, E→H, S→V, S→V. The repeated letters again provide the check: the two C’s must give the same letter, and so must the three S’s.

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83.

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

A.EDRIRL
B.DCQHQK
C.ESJFME
D.FYOBOC

Answer: A

Correct answer: EDRIRL

The shift increases along the word. FRIEND to HUMJTK is F+2, R+3, I+4, E+5, N+6, D+7. Applying the same increasing shift to CANDLE gives C+2=E, A+3=D, N+4=R, D+5=I, L+6=R, E+7=L, that is EDRIRL. A constant shift would not reproduce the example, so the differences must be worked out letter by letter.

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84.

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

A.EDRIRL
B.DCQHQK
C. ESJFME
D. DEQJQM

Answer: A

Correct answer: EDRIRL

The shift increases by one along the word: F+2, R+3, I+4, E+5, N+6, D+7 turns FRIEND into HUMJTK. CANDLE under the same rule gives C+2=E, A+3=D, N+4=R, D+5=I, L+6=R, E+7=L, that is EDRIRL.

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85.

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

A. EOHYZKBB
B.FOHYZJBB
C.FPHZZKAB
D.HOHYBJBA

Answer: B

The 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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86.

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

A.5279431
B.5978213
C. 8251896
D.8543691

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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87.

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

A.37536689
B.57686535
C.96575368
D.96855368

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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88.

If Z= 2197 and R= 729. How would J be written in that code?

A.216
B.124
C.512
D.125

Answer: D

$Z \; code \Rightarrow 26 \Rightarrow \frac{26}{2}\Rightarrow (13)^{3}\Rightarrow 2197$

$R\; code \Rightarrow 18 \Rightarrow \frac{18}{2}\Rightarrow (9)^{3}\Rightarrow 729$

$Similarly\; \; J\; \; code\; \; \Rightarrow 10\Rightarrow \frac{10}{2}\Rightarrow (5)^{3}\Rightarrow 125$

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89.

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

A. 524519
B.174189
C.128174
D. 124179

Answer: C

The alphabets are soded as shown :

E	N	T	R	Y	S	A	D
1	2	3	4	5	9	7	8

E is coded as 1,
N as 2,
D as 8,
A as 7 and
R as 4.
So, ENDEAR is coded as 128174.

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90.

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

A.MFEDJJOE
B.EOJDEJFM
C.MFEJDJOE
D.EOJDJEFM

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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