Which one of the following Sultans is known for having abolished the tax on grains?

Which of the following Sultans founded a town where now stands Agra?

Which of the following Sultans introduced “Market Reforms”?

Which one of the following sultans provided employment to the unemployeds?

Which one of the following Sultans of Delhi introduced measures for improving the quality of fruits?

Which one of the following statements is not true about Balban?