2. What is one of the most common mistakes in math?
(a) Estimating probability.
(b) Remembering the value of pi.
(c) Solving word problems.
(d) Calculating diameter.

3. Which phrase is often used incorrectly?
(a) Play more and win more.
(b) Haste makes waste.
(c) A fool and his money are soon parted
(d) It's a small world.

4. Paulos believes that the theory may seem:
(a) Elementary.
(b) Illogical.
(c) Superfluous.
(d) Stupid.

5. The first stranger's wife went to what kind of camp?
(a) Girl Scout.
(b) Church.
(c) Tennis.
(d) Concentration.

6. Paulos often has people ask him about what?
(a) Buddhism.
(b) Education.
(c) Astrology.
(d) His family.

7. What item of clothing is used in an example?
(a) Sock.
(b) Shoe.
(c) Skirt.
(d) Coat.

8. In what did the doctor not believe?
(a) Vaccines.
(b) Phobias.
(c) Surgery.
(d) Coincidences.

9. What is another name for those not proficient in math?
(a) Illiterates.
(b) Innumerates.
(c) Morons.
(d) Uneducated.

10. What city is mentioned in one of the examples?
(a) Paris.
(b) Munich.
(c) New York.
(d) London.

11. What did the Italian scientist discover?
(a) Combustible fuel.
(b) Atom.
(c) Pluto.
(d) Bubonic plague.

12. What did the explorer discover?
(a) Fountain of Youth.
(b) America.
(c) Spice Islands.
(d) Polio vaccine.

13. Why do people notice the coincidences?
(a) Focus on wins.
(b) Look for patterns.
(c) Someone points them out.
(d) Focus on bad things.

14. The mathematician is from what country?
(a) India.
(b) US.
(c) Greece.
(d) Egypt.

15. What is the probability of people being directly linked?
(a) 25%.
(b) 1%.
(c) 99%.
(d) 10%.