Measuring 1 ml of Medicine with Limited Containers

Scenario Overview

A pharmacist faces the challenge of measuring exactly 1 ml of medicine using only a 5 ml container and a 3 ml container.

Step-by-Step Solution

To achieve this, the pharmacist can follow these steps:

1. **Fill the 3 ml Container**: The pharmacist begins by filling the 3 ml container completely.

2. **Transfer to the 5 ml Container**: Next, he pours the contents of the 3 ml container into the 5 ml container.

3. **Refill the 3 ml Container**: The pharmacist then fills the 3 ml container again.

4. **Complete Filling of the 5 ml Container**: He pours from the 3 ml container into the 5 ml container until the latter is full.

Result

At this point, the remaining medicine in the 3 ml container will be exactly 1 ml, allowing the pharmacist to measure the precise amount needed without any waste.