Verbal Reasoning - Mental Ability Questions

In the following question, select the related letters from the given alternatives.
YONEX : DUUMG : : JASPO : ?

If Deplete : Exhaust then Replenish : ___

In the following question, select the missing number from the given series.
9, 18, 72, 576, ?

If "+" means "minus", "x" means "divided by", "÷" means "plus" and "-" means "multiplied by", then
76 x 4 + 4 – 12 ÷ 37 = ?

Akhil is the maternal uncle of Rashmi. Rashmi is the daughter of Ramesh. How is Ramesh related to Akhil?

If P denotes +, Q denotes -, R denotes '÷', and S denotes X, then: 18S36R12Q6P7 = ?

In the following question, select the missing number from the given series.
5, 13, 40, 104, ?

In a certain code language, "OCEAN" is written as "PEHES". How is "RIVER" written in that code language?