Verbal Reasoning - Mental Ability Questions

The weights of 4 boxes are 90, 40, 80 and 50 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?

The weights of 4 boxes are 70, 100, 20 and 40 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes?

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

JD,?,QK, VP, BV

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

3, 7, 13, 27, 53, ?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
14, 22, 33, 47, 64, ?

In a certain code, RIPPLE is written as 613382, PREACH is coded as 362457. How is PILLER written in that code?

From the given alternative words, select the word which cannot be formed using the letter of the given word.

IMPRACTICABLE

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

PRQ, UWV, ZBA, ? , JLK