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How many keys does a standard full-size piano have?

Retry Correct Incorrect Your average piano will have 52 white keys and 36 black keys for a total of 88 keys. The Piano dates back to around 1700 and was invented by Bartolomeo Cristofori, an Italian musician.

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Dave Thompson/Getty Images

Dave Thompson/Getty Images

How many keys does a standard full-size piano have?

• 87
• 89
• 88
• 86