Water level recorder is used

Which letter-cluster will replace the question mark (?) to complete the given series?

TUWA, ?, RISI, QEQO, PAOU

Select the set in which the numbers are related in the same way as are the numbers of the following sets.

Refer to the given number, symbol series and answer the question that follows.

(Left) 7 + * 7 # & 8 6 5 % 4 $ 6 # @ 4 7 ! 2 5 (Right)

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

Select the appropriate picture next to the series from the given options.

Select the number from the given options which can come in place of the question mark (?) in the following equation. 

Select the correct option that indicates the arrangement of the given words in the order in which they appear in an English dictionary.

Select the mirror image of the figure, when the mirror is placed on the right side of the figure.