Railroad Bridge
A man needs to go through a train tunnel. He starts through the tunnel and when he gets 1/4 the […]
Brain Teasers, Logic Puzzles
Math Problems
Cars on the Road
if the probability of observing a car in 20 minutes on a highway is 609/625, what is the probability of
Algorithms, Logic Puzzles
Switches
The warden meets with 23 new prisoners when they arrive. He tells them, “You may meet today and plan a
Brain Teasers, Logic Puzzles
Yarr Maties
Five pirates discover a chest full of 100 gold coins. The pirates are ranked by their years of service, Pirate
regular
The Oldest Plays the Piano
Two MIT math grads bump into each other while shopping at Fry’s. They haven’t seen each other in over 20
Logic Puzzles
The Rope Bridge
Four people need to cross a rickety rope bridge to get back to their camp at night. Unfortunately, they only