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Event facts & stats

7 fact-checked facts about events, 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

The abbreviation RSVP comes from a French phrase meaning what?

AnswerPlease reply

RSVP stands for répondez s'il vous plaît, "please reply".

How often are the Summer Olympic Games normally held?

AnswerEvery 4 years

The Summer Olympics follow a four-year cycle.

Going deeper

In probability, the chance of an event is always between which values?

Answer0 and 1

A probability of 0 means impossible and 1 means certain.

Two events that cannot happen at the same time are called what?

AnswerMutually exclusive

Rolling a 2 and rolling a 5 on one die roll are mutually exclusive events.

What does a Gantt chart show when planning an event?

AnswerTasks laid out along a timeline

Gantt charts show when each task starts and ends and how tasks overlap.

Expert level

Nobel Prize award ceremonies are held on December 10, marking what?

AnswerThe anniversary of Alfred Nobel's death

Alfred Nobel died on December 10, 1896, and the prizes are presented on that date.

What is the boundary around a black hole beyond which nothing can escape called?

AnswerEvent horizon

Once past the event horizon, not even light can escape the black hole's gravity.

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