RICRAC #17
October 18, 2026
Before you read the answers below.
How many Harry Potter films were made from the seven books?
Answer: 8 films
The seventh book, Deathly Hallows, was split into two films.
Source: en.wikipedia.org
In the NBA, how many seconds does a team have to attempt a shot?
Answer: 24 seconds
Adopted in 1954 because teams with a lead would just hold the ball. The number came from a calculation: 48 minutes of play divided by 120 shots per game.
Source: en.wikipedia.org
How many countries does the Danube flow through or along?
Answer: 10 countries
Germany, Austria, Slovakia, Hungary, Croatia, Serbia, Romania, Bulgaria, Moldova, Ukraine. It's the world record for a river. It also flows through 4 capitals: Vienna, Bratislava, Budapest and Belgrade.
Source: en.wikipedia.org
How many stars are on the flag of Europe?
Answer: 12 stars
It has nothing to do with the number of member countries: twelve is a symbol of perfection and unity, and it will never change.
Source: en.wikipedia.org
About how many bones is a baby born with?
Answer: 300 bones
Many of them fuse together as you grow, especially in the skull: an adult has about a hundred fewer.
Source: healthline.com (Around 300, depending on the source (270 to 300).)
How many cubic yards of concrete went into the Hoover Dam?
Answer: 3,250,000 cubic yards
Enough to pave a two-lane highway from San Francisco to New York City.
Source: en.wikipedia.org
What is the average distance between the Earth and the Sun, rounded to the nearest million miles?
Answer: 93,000,000 miles
Exactly 149,597,870.7 km: the astronomical unit, fixed by definition in 2012. Light takes about 8 minutes 19 seconds to cover it.
Source: en.wikipedia.org