1. I’m given 8 sticks to use to make two squares and four right angled triangles
2. I was given two non-uniform sticks which burn one hour each. I had to measure 15 minutes using them.
3. I was given 9 balls which all are identical except one which is hollow! How many trials would you take to figure out the hollow one!
4. There are three ants on three corners of an equilateral triangle. they can move in any direction but only along the triangle edges. probability that any two ants collide each other.