← ZChallenge.com

Language · Facts & stats

Z facts & stats

7 fact-checked facts about the letter Z, its history and its uses, each with the reason behind it. 5 more are in today's round and join this page after it closes.

Play today's round

The basics

What position does Z hold in the English alphabet?

Answer26th

Z is the 26th and last letter of the English alphabet.

How is the letter Z usually pronounced in American English?

AnswerZee

Americans say "zee"; British and most Commonwealth speakers say "zed".

Going deeper

How many points is a Z tile worth in English-language Scrabble?

Answer10

Z and Q are the highest-value tiles at 10 points each.

What does a z-score measure in statistics?

AnswerHow many standard deviations a value is from the mean

A z-score expresses distance from the mean in standard deviations.

"Zulu time" is another name for which time standard?

AnswerUTC

Aviation and military use Zulu time to mean Coordinated Universal Time.

Expert level

What position does zeta hold in the Greek alphabet?

Answer6th

Zeta follows alpha, beta, gamma, delta and epsilon as the sixth letter.

What does ZIP in "ZIP code" stand for?

AnswerZone Improvement Plan

The US Postal Service introduced the Zone Improvement Plan code in 1963.

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