Find the next number in the series. 17, 25, 52,

How many people belong to W group but not X group?

Select the Venn diagram that best represents the relation between the following classes. Plastics, Metal, Bottles

Choose the best suitable Venn diagram for the following classes:

Pen, Computer, Paper

Select from four alternative diagrams, the one that best illustrates the relationship among the three classes. Jewelry, Gold, and Platinum.

Which one of the following diagrams best depicts the relationship among Cement, Bricks and Building materials?

Which one of the areas marked (I - VII) represents the doctors who plays football but do not play Cricketer? 

How many people belong to both X and W group?

Two different positions of the same dice are shown. Select the letter that will be on the face opposite to the face having the letter T?