Coding and Decoding Questions for SSC Exams - 1

Ans: A

The first and the last letters of the word remain unchanged, while the second and second last, third and third last letters and so on are interchaned, to obtain the code.

Ans: A

In the code, first three letters are reversed, then next two letters, then again next two letters and finally the last three letters are reversed in order.

Ans: C

The first, third and fifth letters of the word are each moved one step backwad while the second, fourth and sixth letters are respectively moved one, two and three steps forward to obtain the corresponding letters of the code.

Ans: A

The first, third and fifth letters of the word are respectively moved three, four and five steps forward, while the letters at even positions are each moved two steps forward, to obtain the corresponding letters of the code.

Ans: A

Clearly, each letter in the word TAP is moved one step backward to obtain the corresponding letter of the code.
Thus, in FREEZE, F will be coded as E, R as Q, E as D and Z as Y. So, the code becomes DQDDYD.