(Questions 15-19): The pie-chart shown below gives the distribution of land in a village under various food crops. Study the pie-chart carefully and answer the questions that follow: Distribution of areas (in acres) under various food crops (FIGURE) Which combination of three crops contribute to 50% of the total area under the food crops? (a) Wheat, Barley and Jowar   (b) Rice, Wheat and Jowar (c) Rice, What and Barley      (d) Bajra, Maize and Rice