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.

4, 18, 48, ?, 180

The weights of 4 boxes are 30, 20, 50 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 word missing. Choose the correct alternative from the given ones that will complete the series.
Money, Amity, Camera, Animal, Telomere, ?

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

CAP, AXL, YUH, WRD, ?

In each of the questions below are given three statements followed by three conclusions numbered I, II, and III. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follow(s) from the given statements disregarding commonly known facts.
Statements:
Some tables are chairs.
All chairs are benches.
All benches are desks.
Conclusions:
I. Some desks are tables.
II. Some benches are tables.
III. Some desks are chairs.

How many triangles are there in this geometric figure?

Six persons P, A, V, K, J and C are sitting in a row facing north. C is to the immediate left of V who is third to the right of P. J is to the immediate left of K and is at one of the end. Who is to the immediate left of A?

In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question?

234 x 9 - 12 + 4 = ?