An oligarchy is a form of government with a king as ruler

False, A group of people is the correct answer.

Explanation:

The type of government in which the power rests with a small group of people is called Oligarchy. The people are distinguished based on education, religious or political. In Oligarchy the family passes the rule from one generation to the next. South Africa under apartheid, The sultanate of Zanzibar are the example of oligarchy, in all these countries the rulers were descendants of foreign settlers.