Which of the following devices can be considered part of

Three of the following four letter-clusters are alike in a certain way and one is different.

Pick the odd one out.

Which of the following numbers will replace the question mark (?) in the given series ?

6, 16, 36, 76, ? , 316

Four letter-clusters have been given, out of which three are alike in some manner and one is different. Select the letter-cluster that is different.

Choose the pair of words which are differently related from the rest:

Select the Venn diagram that best illustrates the relationship between the following classes.

Europe, United Kingdom, London

Read the following information carefully and answer the following question: 

Statements:

All plants are vegetables.

Some plants are poisonous.

Conclusions:

I. All vegetables are poisonous.

Select the option that represents the correct order of the given words as they would appear in an English dictionary?

1.Flint

2.Flec