Number series

 Wrong number known ...

Generally, the number of organisms is higher on the lower level, hence the number at the productive level ...

What will be the value of the question mark (?) In the following series series?
: The following numbers are in place of the question mark (?) In the series.

To make the human chain to be 15 augs successful, the urban children of the urban areas


 Quant Quiz (Number Series) Instructions (Pr.1-): In the following questions, what the estimated value should be in place of question mark