In the initial stages of any developing economy, the majority of economic activities belong to which sector?

Which of the following is not an economic activity?

Tertiary economic activities involve

Which one of the following statements with regard to economic models is not correct?

The working of the price mechanism in a free-market economy refers to which one of the following?

Suppose there are only two normal goods in the economy, X and Y. If price of good X increases, which would be the correct statement from below?