Verbal Reasoning - Mental Ability Questions

In the following question, select the related letters from the given alternatives.
PRAG : QTDK : : STOP : ?

If 4!4 = 80, 3!8 = 110 and 6!2 = 80, then find the value of 7!9 = ?

In a certain code language, “FRONT” is written as “618151420” and “BORNE” is written as “21518145”. How is “MORNS” written in that code language?

Pointing at X, Y says, "X is the son of the only son of my mother". Then Y is X's ___.

Two rugby players start running from the same place on the pitch. Player A runs 20 m South, then turns to his left and runs 26 m. In the mean while Player B runs 12 m West, then he runs 6 m South, the he turns to his left and runs 38 m. Where is Player A with respect to Player B?

Select the related letters from the given alternatives.
WUS : DFH :: MKI : ?

Select the odd word from the given alternatives.

Select the related number from the given alternatives.
12.5 : 6.25 :: 7 : ?