Verbal Reasoning - Mental Ability Questions

In a certain code language, "ENERGETIC" is written as "ETICGENER". How is "CARTRIDGE" written in that code language?

Select the related word/letters/number from the given alternatives.
GT : IV : : KX : ?

The weights of 4 boxes are 30, 40, 50 and 100 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes and in a combination a box can be used only once?

If "S" denotes "multiplied by", "V" denotes "subtracted from", "M"denotes "added to" and "L" denotes "divided by", then

343 L 7 S 6 V 94 M 11 =?

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

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

?, ONM, GFE, XWV

The following equation is incorrect. Which two signs should be interchanged to correct the equation? 15 x 18 - 6 ÷ 20 + 4 = 29