More than _______ elements of the ______ discovered so far are found in different plants.
2 numbers are less than 60 and 3 numbers are more than 60. The numbers which are less have a difference of 10 and 20 respectively from 60.
The numbers which are more, have a difference of 10, 20 and 30 from 60. What is the Average of these numbers (Excluding 60)?