Leaders use specific and different styles when contemplating decisions. One such style is the directive decision making style. Which of the following is/are the other decision-making styles?

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

LHX: OEA : : PFT : ?

Find the missing number from the given responses.

Select the number that can replace the question mark (?) in the following series.

26, 39, 53, 68, 84, ?

Find the missing letter.

Select the missing number from the given responses.

Choose the correct alternative from the given ones that will complete the series.

3.5 , ?,  8.3, 10.7, 13.1 , 15.5

Select the number that will replace the question mark (?) in the following series.

35, 38, 43, 50, 61, 74, ?

C/JQ : B/GT : : Z/CX : ?

Find the missing number.

20, 30, 42, 56, 72, ?