The New York Times conducted what it called the "Fourth of July Contest" and presented what it described as the 10 most difficult questions of 100 possible questions about the US citizenship test, according to a 2011 study.

The contest came on the back of the tens of thousands of people after the celebration of Independence Day, and the possible answers from which a person chooses what he thinks right.

The following are the 10 questions and options available:

1. How many amendments to the constitution?
14, 21, 25, 27

2. Which of the following is known to President Benjamin Franklin?
- Was the first person to sign the Constitution
- Discover electricity
- The first director of a post office in the country
- the second president of the country

3. Who was the President during World War II?
- Drew Wilson, Warren Harding, Calvin Coolidge, Franklin D. Roosevelt

4. Which statement correctly describes the "rule of law"?
- The law is what the president says
- People who apply laws do not have to follow them
- No one above the law
- Judges can rewrite laws they disagree with

5. Under the Constitution, which of these powers do not belong to the federal government?
- Ratification of amendments to the Constitution
Print money
- Declaration of war
- Treaty with foreign powers

6. What is the validity of the title of Senator?
- 4, 6, 8, 12 years

7. Who is the Chief Justice now?
- John J. Roberts Jr., Ruth Bader Ginsburg, William B. Barr, Brett M. Cavanaugh

8. How many members of the House of Representatives vote?
- 100, 435, 535, 538

9. Federal laws that supported the adoption of the Constitution. Which of these was not one of them?
- James Madison, John Jay, John Adams

10. In which year did the Constitution be written?
- 1492, 1776, 1787, 1865

According to the 2011 study, 64 percent of citizens will fail the test even when given questions and multiple choices, as in previous questions.

All the testers knew why 50 stars were American, but less than one in ten people knew the date of writing the constitution, and only about one in eight could nominate one of the authors of federal laws.

Immigrants who apply for citizenship are given only two chances to pass the test before they have to reapply from the start and pay $ 640 again. If they fail in the first interview, they must retest the national rights and duties examination in another interview after sixty to ninety days.