You have two identical crystal orbs. you need to figure out how high an orb can fall from a 100 story building before it breaks. You know nothing about the toughness of the orbs: they may be very fragile and break when dropped from the first floor, or they may be so tough that [...]
The warden meets with 23 new prisoners when they arrive. He tells them, “You may meet today and plan a strategy. But after today, you will be in isolated cells and will have no communication with one another.
“In the prison is a switch room, which contains two light switches labeled A [...]
Suppose we are playing a game where we call integers. The first person who calls 50 wins. The rules are that the first person calls a number between 1 and 10. After that any new number that is called must exceed the last number by at least one and no more than by 10. [...]
There are 50 coins placed in a straight row. The coins are of different denominations and face upwards i.e. one can see the denomination of each coin. You and I play a game. The game is to pick a coin from either ends of the row i.e. if the coins are numbered from 1 [...]
There is a circular board of Radius ‘R’ and there is an infinite supply of coins of radius ‘r’ and R>r. You and I play a game. The game is to place the coins on the board. No coin can be placed on top of another coin and no part of the coin should [...]
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