Verbal Reasoning - Mental Ability Questions

If 23$35 = 13, 3$5 = 8 then what is the value of 4$13 = ?

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

HIG, EFD, BCA, ?, VWU

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

WYV, ? , IKH, BDA

If the second half of the given series is reversed, then what will be the fifth term to the left of the ninth term from the right?

9$YX8N6OLBUJZT@1QFD%

Select the related word/letters/number from the given alternatives.
Nephrology : Kidney : : Ichthyology : ?

Select the related word/letters/number from the given alternatives. AIDS : VIRUS : : MALARIA : ?

Select the odd word from the given alternatives

In a certain code language, “MAKER” is written as “PDNHU”. How is “TOOLS” written in that code language?