Verbal Reasoning - Mental Ability Questions

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

_n_p_no_m_ _p

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

CPI, AME, YJA, WGW, ?

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

18 ÷ 12 - 5 + 30 x 6 = ?

A series is given, with one word missing. Choose the correct alternative from the given ones that will complete the series.
Shy, Food, Plate, Recess, ?

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

GX, HW, IV, ?, KT

The weights of 4 boxes are 40, 70, 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?

Select the missing number from the given alternatives:

Select the missing number?