Which of the following option is true? 

In a mixed economy:

a) government and the market together answer the three questions of what to produce, how to produce and how to distribute the goods.

b) resources of the country are owned by both government and private players.

both a and b are true

Mixed economy is that economic system in which principles of both socialism and capitalism are followed. The government and private players answers to the three central problems of the economy. The ownership of production activities and land are not solely in the hands of government.