Verbal Reasoning - Mental Ability Questions

In the following question, select the related number from the given alternatives.
243 : 578 : : 163 : ?

Find the odd word/letters/number pair from the given alternatives.

If 23@5=56; 6@7=26; 5@2=14; then what is the value of 7@5=?

If C is coded 3 , DASH is coded as 32 , then DANCE will be coded as

Select the related word/letters/number from the given alternatives.
Luminous intensity : Candela : : Pressure : ?

If 11$25 = 18, 12$20 = 16 then what is the value of 4$50 = ?

Identify the diagram that best represents the relationship among classes given below
Tennis fans, Cricket players, Students

Which number will complete the series?
1,8,27,64,125,216,________