Choose the odd numeral pair in each of the following questions :

Options

A. 23-29
B. 19-25
C. 13-17
D. `3-5`

Answer

To solve the problem of identifying the odd numeral pair among the given options, we will analyze each pair based on whether the numbers are prime or not.

### Step-by-Step Solution:

1. **Identify the pairs**: The pairs given are:
- Pair 1: (23, 29)
- Pair 2: (19, 25)
- Pair 3: (13, 17)
- Pair 4: (3, 5)

2. **Check if the numbers are prime**:
- **Pair 1: (23, 29)**
- 23 is a prime number (only divisible by 1 and 23).
- 29 is a prime number (only divisible by 1 and 29).
- **Pair 2: (19, 25)**
- 19 is a prime number (only divisible by 1 and 19).
- 25 is not a prime number (divisible by 1, 5, and 25).
- **Pair 3: (13, 17)**
- 13 is a prime number (only divisible by 1 and 13).
- 17 is a prime number (only divisible by 1 and 17).
- **Pair 4: (3, 5)**
- 3 is a prime number (only divisible by 1 and 3).
- 5 is a prime number (only divisible by 1 and 5).

3. **Determine the odd pair**:
- In pairs 1, 3, and 4, both numbers are prime.
- In pair 2 (19, 25), one number (25) is not prime.

4. **Conclusion**: The odd numeral pair is (19, 25) because it contains one prime number and one non-prime number.

### Final Answer:
The odd numeral pair is **(19, 25)**.