1. In BNAHS, 200 students are randomly selected to determine if they like coffee, tea or both. The Venn diagram below shows that 140 like tea, 120 like coffee and 80 like both tea and coffee. How many students do not like any of these beverages?

2. A survey conducted to 60 people regarding on their preferred drinks ,cold (C) or hot(H). The Venn Diagram below shows the result of the survey. How many did not like any of the drinks?

3. A survey conducted to 60 people regarding on their preferred drinks, cold (C) or hot(H). The Venn Diagram below shows the result of the survey. How many like cold or hot drinks?

4. A survey conducted to 60 people regarding on their preferred drinks, cold (C) or hot(H). The Venn Diagram below shows the result of the survey. How many like cold drinks only?

5. In a college, 60 students enrolled in chemistry,40 in physics, 30 in biology, 15 in chemistry and physics,10 in physics and biology, 5 in biology and chemistry. No one enrolled in all the three. The Venn Diagram below shows the result of the survey. How many are enrolled in Chemistry or Physics but not in Biology?

6. Solve: -34-(-6)

7. Solve: 12- (-12)

8. What must be subtracted from (-2) to get 10?

9. A survey conducted to 60 people regarding on their preferred drinks, cold (C) or hot(H). The Venn Diagram below shows the result of the survey. How many like both cold and hot drinks?

10. What is the sum of 25 and (-4)?