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Challenge List facts & stats

7 fact-checked facts about challenges, feats and habits, each with the reason behind it. 5 more are in today's round and join this page after it closes.

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The basics

What is the highest mountain on Earth above sea level?

AnswerMount Everest

Mount Everest, on the Nepal-China border, is the highest peak above sea level.

How many rings are on the Olympic flag?

Answer5

The Olympic symbol has five interlocking rings.

Going deeper

The original Olympic motto 'Citius, Altius, Fortius' means what?

AnswerFaster, Higher, Stronger

The Latin motto means 'Faster, Higher, Stronger'; 'Together' was added in 2021.

How long is one work interval in the classic Pomodoro focus technique?

Answer25 minutes

The Pomodoro technique uses 25-minute focused work blocks separated by short breaks.

A widely cited University College London study found new habits took about how long to become automatic?

Answer66 days on average

The average was 66 days, with a wide range of about 18 to 254 days between people.

Expert level

Who became the first person to run a mile in under four minutes, in 1954?

AnswerRoger Bannister

Roger Bannister ran 3:59.4 at Oxford on 6 May 1954.

In chess, what is the name of the special move where the king and a rook move together?

AnswerCastling

Castling moves the king two squares toward a rook and places that rook on the square the king crossed.

Know these cold?Today's round is five questions like these, 20 seconds each. Your streak and level follow you to every arena.Play today's round