Which data structure in a compiler is used for managing

Four of the five among the following are similar in such a way to form a group, which one of the following doesn’t belong to the group?

Select the option in which the numbers share the same relationship as that shared by the number in the set given below.

  (19, 42, 28)

(11, 39, 33)

If all the alphabets of alphabetical series are numbered as 26-1 from A-Z then what is the sum of the numbers of letters of the word “HUMBLE”?

Some equations are solved based on a certain system. On the same basis find out the correct answer for the unsolved equation.  

complete the series.

T _ G _ _ T I _ _ R _ _ G E R T I G _ _ T _ _ E R

Select the option that is related to the third letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster.

If N = 28, NET = 78, then ‘NEAT’ will be equal to? 

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