def Q1(numerator, denominator):
    # Check if both are numbers (int or float), but not complex
    if not (isinstance(numerator, (int, float)) and isinstance(denominator, (int, float))):
        return None

    # Avoid division by zero
    if denominator == 0:
        return None

    # Check divisibility using modulus (%)
    return numerator % denominator == 0