# Puzzle Archives :: PEOL

**Home**>

**Puzzle Archives**>

**PEOL**>

**Puzzle List**

- Question :: 1
We have 10 identical bottles of identical pills (each bottle contain hundred of pills). Out of 10 bottles, 9 have 1 gram of pills but 1 bottle has pills of the weight of 1.1 gram. Given a measurement scale, how would you find the heavy bottle? You can use the scale only once.

- Question :: 2
# SHAKE HAND PROBLEM

If there are 8 people in a room and they must shake hands with each other once without missing anyone. How many shake hands will take place?

No Best Answer on this question yet!