Verbal Reasoning - Mental Ability Questions

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

The weights of 4 boxes are 70, 50, 30 and 90 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?

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

ALZ,CJV,EHR,GFN,?

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

ABC, ZYX, DEF, WVU, ?

Select the missing images from the given responses:

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

5, 7.5, 12.5, 22.5, ?

Find the missing number?

An army recruit is training. He starts and runs 2 km East, then 3 km South, then 5.5 km West, then 4 km North, then 3.5 km East, where is he now with reference to the starting position?