1. The concept of "fake news" has gained prominence in recent years, particularly with the rise of social media. Fake news refers to deliberately false or misleading information presented as factual news. It can be created for various reasons, including political manipulation, financial gain, or simply to cause confusion. The rapid spread of fake news through social media platforms has raised concerns about its impact on public opinion and democratic processes. What is the main concern about fake news expressed in this passage?

2. "If we allow students to use calculators in math class, they'll never learn how to do basic arithmetic." Which fallacy does this statement illustrate?

3. The architect's _____ design for the new city hall blended seamlessly with the surrounding historical buildings.

4. If 2x + 5 = 17, what is the value of x?

5. If a rectangle has a length of 15 cm and a width of 10 cm, what is its perimeter?

6. Researcher: "In our study, participants who ate chocolate daily reported feeling happier than those who didn't. Therefore, eating chocolate makes people happy." What is the main flaw in this reasoning?

7. In a class of 30 students, 18 play basketball and 15 play soccer. If 10 students play both sports, how many students play neither sport?

8. In a row of 40 students, R is 11th from the left end and T is 17th from the right end. How many students are there between R and T?

9. A company introduces flexible work hours for its employees. Six months later, employee satisfaction scores increase by 25%. What is the most likely cause of this increase?

10. A cylindrical tank has a radius of 3 feet and a height of 4 feet. What is its volume in cubic feet? (Use π = 3.14)