Verbal Reasoning - Mental Ability Questions

In the following question, select the missing number from the given series.

29, 27, 24, ?, 15, 9

In a certain code language, "DISORDER" is written as "OSIDREDR". How is "PRACTICE" written in that code language?

In a certain code language, 'TRUMPET' is written as '7591427' and 'SORROW' is written as '385586'. How is 'EMPRESS' written in that code language?

If 19 + 2 x 2 + 3 = 369 and 23 + 2 x 6 + 2 = 565, then 7 + 3 x 11 + 3 = ?

Select the related word/letters/number from the given alternatives.

Iraq : Dinar :: Korea: ?

Some equations are solved on the basis of certain system. Find out the correct answer for unsolved equation on that basis: 4 x 5 x 8 = 584, 7 x 3 x 9 = 397, 9 x 7 x 3 = ?

Identify the diagram that best represents the relationship among the given classes.
Country, State, City

Punit said to a lady, "The sister of your father's wife is my aunt". How is the lady related to Punit?