The following Venn diagram gives data regarding the sports team of ABC school. The ‘Circle’ represents ‘Junior (Under 14 yrs); the ‘Triangle’ represents ‘Swimmers, the ‘Rectangle’ represents ‘Cyclists and the ‘Square’ represents ‘Athletes’. The numbers given in the diagram represents number of persons of that particular category. How many Junior students are both good Athletes and swimmers but not Cyclists?

9

The ‘Circle’ represents ‘Junior (Under 14 yrs)

The ‘Triangle’ represents ‘Swimmers

The ‘Rectangle’ represents ‘Cyclists 

The ‘Square’ represents ‘Athletes'

Step 1 ) Look at the figure of  Circle , Triangle, Rectangle , Square

Step 2) Look at  number given juniors both good Athletes and swimmers but not Cyclists that is 9

Step 3) By visual observations we conclude that 9  is the number which represents  juniors both good Athletes and swimmers but not Cyclists.