Think You’re Intelligent? Then See How You Do With This Logic Quiz!

You hear me once, you heard me again, and then I die until I am called again. What am I?

Retry Correct Incorrect An echo can be heard repeatedly, but will eventually disappear. An echo won’t come back again until you cause an echo once more.

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Robert Nickelsberg/Getty Images

Robert Nickelsberg/Getty Images

You hear me once, you heard me again, and then I die until I am called again. What am I?

• firework
• moon
• shadow
• echo