In Roman numerals, the symbol I can be subtracted from ___________

Options

A. V only
B. X only
C. Both V and X
D. None of these

Answer

To solve the question "In Roman numerals, the symbol I can be subtracted from ___________", we will analyze the Roman numeral system and determine which symbols I can be subtracted from.

### Step-by-Step Solution:

1. **Understanding Roman Numerals**:
- In Roman numerals, the symbol "I" represents the number 1.
- The other relevant symbols are "V" which represents 5, and "X" which represents 10.

2. **Subtraction Rule**:
- In Roman numerals, a smaller numeral can be placed before a larger numeral to indicate subtraction. For example, "IV" represents 4 (5 - 1).

3. **Identifying Valid Subtractions**:
- If we place "I" before "V" (5), we get "IV", which equals 4. This shows that "I" can be subtracted from "V".
- If we place "I" before "X" (10), we get "IX", which equals 9. This shows that "I" can also be subtracted from "X".

4. **Conclusion**:
- Therefore, "I" can be subtracted from both "V" (5) and "X" (10).

### Final Answer:
The symbol "I" can be subtracted from **5 (V) and 10 (X)**.

---