RICRAC #4
October 5, 2026
Before you read the answers below.
In Super Mario games, how many coins do you need to collect to earn an extra life?
Answer: 100 coins
Same as a green 1-Up Mushroom. The coin 'ding' is one of the most famous sounds in video games.
Source: mariowiki.com
How many countries are members of the European Union?
Answer: 27 countries
Austria, Belgium, Bulgaria, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden. The UK left in 2020.
Source: en.wikipedia.org
How long is the island of Manhattan, from north to south?
Answer: 13.4 miles
It's about 2.3 mi across at its widest, near 14th Street.
Source: en.wikipedia.org
A dog's nose has up to how many scent receptors?
Answer: 300,000,000 receptors
Compared with about 6 million in yours. And the part of its brain that analyzes smells is, proportionally, 40 times bigger than ours.
Source: pbs.org
How many Earth days does a year on Mars last?
Answer: 687 days
Almost two Earth years. A Martian day, on the other hand, is only about 40 minutes longer than ours.
Source: en.wikipedia.org
How many cells are in an adult human body, according to the reference 2013 estimate?
Answer: 37,200,000,000,000 cells
About 37.2 trillion. Red blood cells make up the vast majority, around 26 trillion. Our body also hosts roughly as many bacteria.
Source: doi.org (Estimate by Bianconi et al., Annals of Human Biology, 2013.)
How many regular-season goals did Wayne Gretzky score in his NHL career?
Answer: 894 goals
The record stood for 26 years, until Alex Ovechkin broke it in April 2025.
Source: en.wikipedia.org