Verbal Reasoning - Mental Ability Questions

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
Asia, Africa, North America, ?

Select the related word/letters/number from the given alternatives.
BCD : YXW : : FGH : : ?

In the following question, select the odd word from the given alternatives.

In the following question, select the related letters from the given alternatives.
JPC : GMZ : : PUV : ?

If "S" denotes "multiplied by", "V" denotes "subtracted from", "M" denotes "added to" and "L" denotes "divided by", then 8 V 10 M 96 L 6 S 9 = ?

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

144, 256, 400, ?

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

TU, DE, NO, ?

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