The pie chart shows the share of tiger population in six wild life sanctuaries (A, B, C, D, E, F) of a country. Study the diagram and answer the following questions._x005F_x000D_ _x005F_x000D_ If the total tiger population in these six sanctuaries had grown by 20% and 25% in the previous two decades, then what was the total tiger population in these six sanctuaries before 20 years?

• A. 135
• B. 150
• C. 60
• D. 45