What are that number of primary colours ?

Options

A. 1
B. 2
C. 3
D. 4

Answer

**Step-by-Step Solution:**

1. **Understanding Colors**: Colors can be categorized into primary and secondary colors. Primary colors are the basic colors that cannot be created by mixing other colors.

2. **Identifying Primary Colors**: There are three primary colors in the additive color model, which are:
- Red
- Blue
- Green

3. **Significance of Primary Colors**: These primary colors are significant because they can be mixed together in various combinations to create a wide range of other colors. For example:
- Mixing red and blue creates purple.
- Mixing red and green creates yellow.
- Mixing blue and green creates cyan.

4. **Conclusion**: Therefore, the total number of primary colors is three.

**Final Answer**: The number of primary colors is **3**.

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