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Letter Coding:

In this coding, pattern letters are coded in letters according to a sequence. Now you have to detect the common rule and decode the problem. There are few types of letter coding problems. We will discuss all of these. Just look at these examples.

Example 1:

In a certain code language, the word CRICKET is coded as DSJDLFU. How will the word FOOTBALL be written in that language?

Solution:

Similarly,

So, the code for FOOTBALL is GPPUCBMM.

Example – 2

In a certain code, language UNCLE is written as FMXOV, and FATHER is written as UZGSI. How is the MOTHER written in the code?

a) IVCDMP

b) GNLMPR

c) NLGSVI

d) NGLVSI

e) None of these

Solution:

This seems each letter is coded as an opposite paired letter.

So, option (c) is correct.

Example – 3

In a certain code, language ROAM is Written as TNCL, AUNT is written as CTPS. How is LAND is written in that code

a) LNEJ

b) MNOJ

c) NMEJ

d) NNEJ

e) None of these

Solution:
 

So, similarly,

So, the answer is NNEJ.

So, option (d) is correct.

Example – 4

In a certain code, language GOAT is written as 1569 and MORE is written as 8572. How is MART written in that code?

a) 7689

b) 7986

c) 8679

d) 8967

e) None of these

Solution:

So, MART will be written as 8679

So, option (c) is correct.

Example – 5

In a certain code, language BOOK is written as 2662, and PEN is written as 755. How is the COPY written in that code?

a) 3677

b) 3217

c) 4592

d) 3617

e) None of these

Solution

BOOK → 2662

Letter Position of B, O, O, K are 2,15,15,11 respectively.

15 → 1 + 5 = 6

11 → 1 + 1 = 2

Similarly for PEN

Position P, E, N are 16, 5, 14 respectively

15 → 1 + 6 = 7

14 → 1 + 4 = 5

PEN is written as 755.

Now, similarly for COPY, position of C, O, P, and Y are 3, 15, 16, 25

15 → 1 + 5 = 6

16 → 1 + 6 = 7

25 → 2 + 5 = 7

So, code for COPY will be 3677.

So, option (a) is correct.