In the following question, among the four answer

Select the related word/letters/number from the given alternatives.

11 : 1342 : : 14 : ?

Select the option that is related to the third number cluster in the same way the second number cluster is related to the first number cluster.

268 : 284 :: 429 : ?

CE : 70 :: AF :?

Careful is to cautious as boastful is to:

If 68 # 34 = 238 and 39 # 204 = 243, then 45 # 20 = ?

Select the related number from the given alternatives:

11 : ? :: 10 : 1001