Basic General Knowledge
Free market is

market where the price of a commodity is determined by free play of the forces of supply and demand
None of these
a condition in the international market where nations do not impose customs duty or other taxes on import of goods
ports that are exempted from payment of customs duty on articles of commerce, primarily to encourage tourism

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Basic General Knowledge
Theory of Idealism was expounded by George Hegal, Bishop George and Berkeley According to this

good was pleasure and that evil was pain
mathli is an illusion and that the only reality that which exists mentally
base of knowledge is sense-experience, that is, observations governed by scientific principles
all knowledge is derived from sensory experience, by observing and experimenting

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