Ruby: Red :: Sapphire : ?

Options

A. Blue
B. White
C. Green
D. Silver

Explanation

To solve the analogy question "Ruby: Red :: Sapphire : ?", we need to identify the relationship between the first pair of words and apply that same relationship to the second pair.

### Step-by-Step Solution:

1. **Identify the relationship in the first pair (Ruby: Red)**:
- Ruby is a type of precious stone.
- The color of Ruby is Red.

2. **Identify the type of the second word (Sapphire)**:
- Sapphire is also a type of precious stone.

3. **Determine the color associated with Sapphire**:
- The color of Sapphire is Blue.

4. **Complete the analogy**:
- Therefore, if Ruby is to Red, then Sapphire is to Blue.

Thus, the answer is **Blue**.