Olympiad Test: Coding Decoding - 1 - Class 7 MCQ

Each letter in the word is moved thirteen steps forward to obtain the corresponding letter of the code.

Each letter in the word is moved one step forward to obtain the corresponding letter of the code.

Each letter in the word is moved three steps forward to obtain the corresponding letter of the code.

The first, third and fifth letters are each moved one step backward, while the second, fourth and sixth letters are each moved one step forward to obtain the corresponding letters of the code.
Therefore, D will become C
A will become B
N will become M
G will become H
E will become D
R will become S

DANGER ⇒ CBMHDS

The first, second, third, fourth, …… letters of the word are moved one, two, three, four, steps backward respectively to obtain the corresponding letters of the code.

The first, second, third and fourth letters of the word are moved two, four, six, and eight letters forward respectively to obtain the code.

MYSORE ⟶ MYS/ORE ⟶ 
SYM/ERO ⟶ SYMERO.

The second and third letters, fourth and fifth letters, sixth and seventh letters of the word mutually interchange positions to form the code.

The last letter of the word remains unaltered in the code. The first six letters of the word are divided into two groups of three letters each and then, in each group, of three letters each and then, in each group, the last two letters are written in a reverse order.

If in the word, a letter is the nth letter from the beginning of the English alphabet then in the code the corresponding letter is the nth letter from end.