How many sections are embodied under the

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

If a mirror is placed on the line AB, then out of the option figures which figure will be the right image of the question figure?

Select the combination of letters that when sequentially placed in the blanks of the given letter series will complete the series.

In a certain code language 'I' is coded as '18' and 'R' is coded as '36' then 'TIN' will be coded as ____ in the same code language. 

If 27 @ 22 = 18 and 29 @ 24 = 21, then 12 @ 25 = ?'. What will come in place of question mark?