In the following code snippet, what does 5 in the argument list represent?

def add(x, y=5):
    return x + y

1. return value
2. default value
3. input value
4. None of these

Which keyword is used to define function with variable length arguments?

1. *args
2. **kwargs
3. *var
4. Both a and b

What would be the return type of the following function in Python?

def mul(x, y): 
    return x * y 
result= multiply(5, 2) 
print(result)

1. int
2. float
3. char
4. string

What would be the return type of the following function in Python?

def is_positive(number): 
    if number > 0: 
        return True 
    else: 
        return False

1. int
2. float
3. bool
4. char