List of top Data Science Questions on Clustering

In k-means algorithm, if there are n data points, then what is the minimum value of k and the maximum value of k?
Which among the following is not a valid distance specifying criterion between the clusters, in the context of hierarchical clustering?
Which problem-solving approach does the K-means algorithm employ?
State if the following statement is True or False:
``Clustering Techniques apply when the instances are to be divided into natural groups.''