Which of the following function calls will cause Error while invoking the below function definition ?
def test(a, b, c, d)

1. test(1, 2, 3, 4)
2. test(a = 1, 2, 3, 4)
3. test(a = 1, b = 2, c = 3, 4)
4. test(a = 1, b = 2, c = 3, d = 4)

For a function header as follows :
def Calc(X,Y = 20):
Which of the following function calls will give an error ?

1. Calc(15, 25)
2. Calc(X = 15, Y = 25)
3. Calc(Y = 25)
4. Calc(X = 25)

What is a variable defined inside a function referred to as

1. A static variable
2. A global variable
3. A local variable
4. An automatic variable

Carefully observe the code and give the answer.

def function1(a):
    a = a + '1'
        a = a * 2
>>>function1("hello")

1. indentation Error
2. cannot perform mathematical operation on strings
3. hello2
4. hello2hello2