Coding And Decoding - Study Mode

[#21] If DELHI can be coded as CCIDD, how would you code BOMBAY?
Correct Answer

(B) AMJXVS

Explanation

Solution: 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.

[#22] In a coding language, the letters of the English alphabet are arranged in such a manner that all the vowels are put in the end and the remaining letters are arranged from the first letter onwards. The rearranged alphabets are used to denote the position occupied by letters in the original alphabets. What is the code of META?
Correct Answer

(D) QGYB

Explanation

Solution: The original and rearranged letter sequences are as shown : ABCDEFGHIJKLMNOPQRSTUVWXYZ BCDFGHJKLMNPQRSTVWXYZAEIOU Thus, the code for META is QGYB.

[#23] In a certain code language, OPERATION is written as NODQBUJPO. How is INVISIBLE written in that code?
Correct Answer

(C) HMUHTJCMF

Explanation

Solution: Each of the first four letters in the word is moved one step backward, while each of the last five letters is moved one step forward to obtain the corresponding letter of the code.

[#24] In a certain language, SIGHT is written as FVTUG. How is REVEAL written in the same language?
Correct Answer

(D) ERIRNY

Explanation

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

[#25] If BE QUICK is coded as ZC OSGAI, then the code of the last letter of the third word in the sentence I LOVE MY COUNTRY is
Correct Answer

(D) W

Explanation

Solution: Each letter in the given message is moved two steps backward to obtain the corresponding letter of the code. The last letter of the third word in the given sentence is Y, which shall be coded as W.