Serial Sevens

What is Serial Sevens?

1. A psych test measuring cognitive ability where subject counts backward from a random number in increments of seven.

2. Any difficult mental calculation.

Explained in The Contortionist's Handbook by Craig Clevenger.

"I can figure out how much we all owe if you just let me see the bill... it isn't serial sevens."

See rocket science, brain surgery

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Klute

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Serial Sevens Edit Meaning