Verbal Reasoning - Mental Ability Questions

If 10$25 = 8, 12$25 = 10 then what is the value of 14$53 = ?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

CD, FA, IX, LU, ?

In the following question, select the missing number from the given series.
2, 5, 17, 71, ?

In a certain code language, "WILDHORN" is written as "1133" and "RAPTURE" is written as "1089". How is "PORTLOUIS" written in that code language?

If QUICKLY is coded as OSGAIJW, then how will HUE be coded as?

In a certain code language, "OPTIMIST" is written as "LKRNRGHG". How is "PESSIMIST" written in that code language?

If S = 19, SUN = 54 and CAKE = 20 , then MISTAKE = ?

If REGAINS is coded as QDFZHMR, then how will PRY be coded as?