Study the given diagram carefully and answer the questions. The numbers in different sections indicate the number of persons good at the given sport.

How many people are good at exactly two sports?

43

Step 1 ) Look at the figure of three circle

Step 2) Look at  common  number given in all the figure

Step 3) By visual observations we conclude that (14 +18 + 11 = 43) which represents people are good at exactly two sports