Select the figure from the options that can replace the question mark (?) and complete the pattern. (Rotation is not allowed)

Question figure.

Which letter-cluster from the options will replace the question mark (?) to complete the given series?
 ASDF, BUGJ, CWJN, ?

Which two signs should be interchanged to make the given equation correct?
 48 ÷ 12 × 3 + 5 − 4 = 21

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.
  ABRUPT : BZUQUN : : SUDDEN : ?

In a code language, 'GOODLUCK' is written as ‘MEWNFQQI’. How will ‘FORTUNE’ be written in the same language?

 ‘Pressure’ is related to ‘Pascal’ and ‘Electricity’ is related to ‘Watt' in the same way as ‘Heat’ is related to ‘______’.

Select the option that is related to the fifth term in the same way as the second term is related to the first term and the fourth term is related to the third term.
 AMOUNT : MOUNT :: BRIDGE : RIDGE :: BRIGHT : ?

select the correct mirror image of the given combination when the mirror is placed at MNas shown.