To fill in the blank correctly, let's consider the context and options provided. The question asks about 'Boro', 'Aman', and 'Aus'. These terms are related to a particular context within agriculture. Let's examine the given options:
'Boro', 'Aman', and 'Aus' are known to be associated with types of rice crops that are grown in different seasons and regions in India. Specifically:
These names do not correspond to types of tribes, folk dance, or cotton crops. Hence, based on this analysis, the correct option is: Names of rice crops
Boro, Aman, and Aus are varieties of rice crops grown in different parts of India, particularly in the northeastern region:
These are all types of rice crops commonly cultivated in India.
Thus, the correct answer is (C) Names of rice crops.
What comes next in the series?
\(2, 6, 12, 20, 30, \ ?\)