By Michael Lin
A palindrome is a word that is the same when read backwards.
How is footstool a palindrome?
You are given time to win a prize with 22 more people. The leader tells you that there is a switch room with two switches labeled a and b that are both off. To win the prize, anyone of you can tell me that everyone visited the switch room. How can you plan with your other 22 teammates to accomplish this? Also, note you will lose communication with your teammates and then the picking starts. There can be repeats of one person. Good luck!
Turn me on my side, I am everything. Cut me in half and I am nothing. What am I?
You have an 11-minute hourglass and a 7-minute hourglass. How do you boil an egg for 15 minutes?
You have 9 bags of gold each with 10 pieces of gold in it, but one bag has fake gold. They all look the same and the only difference is that the fake gold weighs 1.1 gram while real gold weighs 1 gram. With a very accurate scale you can only use once, how can you discover which bag has fake gold?
When is homework not homework?
What building has the most stories?