Question 1 of 10
What is the smallest country?
Answer: Vatican City — Vatican City is 0.17 sq mi.
Question 2 of 10
What is the hardest natural substance?
Answer: Diamond — Diamond scores 10 on Mohs scale.
Question 3 of 10
How many bones in an adult body?
Answer: 206 — 206 bones in adults.
Question 4 of 10
What is the longest river?
Answer: Nile — Nile flows ~4,130 miles.
Question 5 of 10
Which blood type is universal donor?
Answer: O- — O- can be given to anyone.
Question 6 of 10
What is the currency of Japan?
Answer: Yen — Yen since 1871.
Question 7 of 10
What is the capital of Australia?
Answer: Canberra — Purpose-built capital since 1913.
Question 8 of 10
How many colors in a rainbow?
Answer: 7 — ROYGBIV — 7 colors.
Question 9 of 10
Which country invented paper?
Answer: China — China around 105 AD.
Question 10 of 10
What is the boiling point of water in F?
Answer: 212°F — 212°F at standard pressure.