Verbal Reasoning - Mental Ability Questions

Choose the related word/letters/number from the given alternatives. 19 : 6859 : : 21 : ?

In a certain code language "TITANIC" is written as "7371835" and "SEMATIC" is written as "6241735". How will "MAINTAIN" be written in that code language?

Select the odd word from the given alternatives.

Which set of letters when sequentially placed at the gaps in the given letter series shall complete it?

M_P_M_R_PM_PM_RR_P

Select the related word/letters/number from the given alternatives.
AEG: GKM :: MQS : ?

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

AZ , CX , FU , ?

Pointing towards a girl, Rajan said, she is the daughter of my mother's daughter. Then how is the girl related to Rajan?

If "+" means "minus", "x" means "divided by", "÷" means "plus" and "-" means "multiplied by", then 38 x 2 – 6 + 19 ÷ 35 = ?