In the given Venn diagram, the ‘rectangle’ represents ‘engineers’, the ‘circle’ represents ‘managers’, and the ‘triangle’ represents ‘married’. The numbers given in the diagram represent the number of persons in that particular category.

How many people are married but are NOT engineers?

29

The ‘rectangle’ represents ‘engineers’

The ‘circle’ represents ‘managers’

The ‘triangle’ represents ‘married’

Step 1 ) Look at the figure of Triangle , circle and rectangle

Step 2) Look at  number given in people are married but are NOT engineers

Step 3) By visual observations we conclude that (16 +13 = 29) is the number which represents people are married but are NOT engineers