Verbal Reasoning - Mental Ability Questions

If 8α9 = -72, -9α3 = 27 and -6α1 = 6, then find the value of -3α6 = ?

While introducing a boy, Raju says, "He is the son of my wife's sister." How is the boy related to Raju?

Choose the best suitable Venn diagram for the following words: transport vehicle, truck, van

In this question, some equations are solved on the basis of a certain system. On the same basis find out the correct answer from amongst the four alternatives for the unsolved equation.

462 = 551
398 = 487
856 = ?

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

Inch, Decameter, Foot, ?

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 from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statements:
Some bags are plates.
Some plates are chairs.
All chairs are tables.

Conclusions:
I. Some tables are plates.
II. Some chairs are bags.
III. No chair is bag

Arrange the given words in the sequence in which they occur in the dictionary.
1. Dragon
2. Draculla
3. Dormont
4. Drapery
5. Deviate

Each of the following questions hasfour statements. Three are logically correct. Some of which may look factually absurd. Ignore this absurdity and look to the logical corrections. Choose the statement which is wrong or doubtful: