Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is related to the third number.

2 : 9 :: 6 : 121 :: 5 : ?

Select the set in which the numbers are NOT related in the same way as are the numbers of the following set.

(NOTE : Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 - Operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed)

(8, 13, 21)

(13, 18, 31)

In a certain code language, "MELODY" is written as "LEMYDO" and "PURPLE" is written as "RUPELP". How will "CLAUSE" be written in that language?

Select the option that represents the correct order of the given words as they would appear in an English dictionary.

1. Accompany

2. Accident 

3. Accuracy

4. Acclaimed

5. Accepted

6. Accessary