Verbal Reasoning - Mental Ability Questions

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
LOQ, SVX, ZCE, ?

If "α" denotes "subtracted from", "β" denotes "multiplied by", "θ" denotes "added to" and "δ" denotes "divided by", then 10 θ 8 β 4 δ 8 α 9 = ?

In the following question, select the related number from the given alternatives.
5 : 130 : : 6 : ?

What should come in place of the question mark (?) in the following number series? 1, 3, 24, 360,8640, 302400, ?

If the second half of the given series is reversed, then what will be the fifth term to the left of the ninth term from the right?

9$YX8N6OLBUJZT@1QFD%

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

_BA_BBA_AB_B

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

In a certain code language, '-' represents '+', '+' represents 'x', 'x' represents '÷' and '÷' represents '-'. Find out the answer to the following question.

6 x 6 ÷ 10 - 8 + 2 = ?