Coding Decoding problems

Coding and Decoding

1.  If FRIEND isCoding and Decoding
coded as HUMJTK, how can CANDLE be written in that code?

Answer : EDRIRL
Explanation :
In the code, the first letter moves two letter forward.
The second letter is three letter forward, third letter is the four letter forwarded and so on after the corresponding letter in the word.

2.  If in a certain language, GAMBLE is coded as FBLCKF, how is GROUND coded in that code?

Answer : FSNVME
Explanation :
The first, third and fifth letters are each moved one step backward to obtain the code.
The second, fourth and sixth letters are each moved one step forward to obtain the corresponding letters of the code.

3 .  In as a certain code, 15789 is written as EGKPT and 2346 is written ALUR. How is 23549 written in that code?

Answer : ALGUT
Explanation :
In the given codes, the numbers are coded 2 as A, 3 as L, 5 as G, 4 as U and 9 as T.
So, 23549 is coded as ALGUT.

4.  If COOL is coded as DQRP, then write the code for HOT

Answer: IQW
Explanation:
In COOL, first letter is increased by 1, second by 2, third by 3 and so on.
So HOT will be coded as,
H + 1 = I
O + 2 = Q
T + 3 = W
So it will be IQW.

5.  If POLITICS is coded as OPILITSC, how will ARTICLES be coded in that language?

Answer: RAITLCSE
Explanation:
The positions of first and second, third and fourth, fifth and sixth letters are exchanged.

6.  If Z = 52 and ACT = 48, then BAT will be equal to the code?

Ans: 46
Explanation :
In the given code, A = 2, B = 4, C = 6,.... , Z = 52.
i.e. the position of english alphabets are incremented by 2.
So, ACT = 2 + 6 + 40 = 48
BAT = 4 + 2 + 40 = 46.

7.  In a certain code SCRIPT is written as TCQIQT. How is DIGEST written in that code?

Ans: EIFETT
Explanation :
In the code, the first and fifth letters are moved one step forward in the alphabet series while third letter is moved one step backward.
The other letters remain unchanged.
Hence DIGEST = EIFETT.

8.  If the first and the second letters in the word INORDINATE were interchanged also the third and the fourth letters, the fifth and the sixth letters and so on, which letters would be the eighth counting right to left? 

Answer : R
Explanation :
After implementing the given interchanges in the word INORDINATE it will become NIROIDANET.
Hence, the eighth letter from right to left is R.

9.  According to a military code, SYSTEM is SYSMET and NEARER is AENRER. What is the code for FRACTION ?

Ans: CARFNOIT
Explanation :
The letters of the first half and the letters of the second half of the word are separately reversed to obtain the code.

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

Ans: 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.