Brain Teasers
Brain Teasers

Gold Bar, 100 Bulbs (Already Asked)

Induction (N)

Is Your Husband a Cheat?

What’s Your Eye Color?

Measurement

4 Quarts of Water

9 Minutes

2 Ropes, 45 Min

5 Pirates, 100 Gold Coins & 6 Pirates, 1 Gold Coin

Piece of Cake

100 Prisoners in Solitary Cells

Red and Blue Marbles

Ant Problem

Globe Walker

Four People Cross a Rickety Bridge

How Old Are My Children

A Box of Defective Balls

Weighing Balls

8 Balls w/2 uses

12 balls w/3 uses (TOUGH)

Fermi Estimation Problems

Estimate How Many Windows Empire State Building Has

Estimate the number of barrels of oil you could fit on an aircraft Carrier

Estimate the Number of Gas Stations in California

Estimate length of the equator

Guestimate counties in state with confidence interval

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