I missed my old teachers so much that I would go back

In a certain code language, ‘SET’ is coded as ‘37’ and ‘MIX’ is coded as ‘35’. How will ‘WAR’ be coded in that language?

Select the correct mirror image of the given figure when the mirror PQ is placed to the right side of the figure.

Which is the correct one to replace the question mark?

Question Figures

Select the option that represents the letters that, when placed from left to right in the following blanks, will complete the letter-series.

X # Y means 'X is the brother of Y'

X @ Y means 'X is the daughter of Y'

X & Y means 'X is the husband of Y'

Select the number from among the given options that can replace the question mark (?) in the following series. 543, 518, 495, 474, 455, ?

Which number will come in place of the question mark (?) in the following number series ?

4, 7, 12, 21, 38, ?