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Welcome to the Classes,Objects and OOPS concepts MCQs Page

Dive deep into the fascinating world of Classes,Objects and OOPS concepts with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Classes,Objects and OOPS concepts, a crucial aspect of Python. In this section, you will encounter a diverse range of MCQs that cover various aspects of Classes,Objects and OOPS concepts, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Python.

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Check out the MCQs below to embark on an enriching journey through Classes,Objects and OOPS concepts. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Python.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Classes,Objects and OOPS concepts. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Classes,Objects and OOPS concepts MCQs | Page 10 of 13

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Q91.
Suppose B is a subclass of A, to invoke the __init__ method in A from B, what is the line of code you should write?
Discuss
Answer: (a).A.__init__(self)
Q92.
What is the output of the following piece of code?
class Test:
    def __init__(self):
        self.x = 0
class Derived_Test(Test):
    def __init__(self):
        Test.__init__(self)
        self.y = 1
def main():
    b = Derived_Test()
    print(b.x,b.y)
main()
Discuss
Answer: (c).0 1
Q93.
What is the output of the following piece of code?
class A:
    def __init__(self, x= 1):
        self.x = x
class der(A):
    def __init__(self,y = 2):
        super().__init__()
        self.y = y
def main():
    obj = der()
    print(obj.x, obj.y)
main()
Discuss
Answer: (d).1 2
Discuss
Answer: (b).Determines the class name of any value
Q95.
Which of the following is not a type of inheritance?
Discuss
Answer: (a).Double-level
Discuss
Answer: (c).Determines class description of any built-in type
Q97.
What is the output of the following piece of code?
class A:
    def one(self):
        return self.two()
 
    def two(self):
        return 'A'
 
class B(A):
    def two(self):
        return 'B'
obj1=A()
obj2=B()
print(obj1.two(),obj2.two())
Discuss
Answer: (b).A B
Q98.
What type of inheritance is illustrated in the following piece of code?
class A():
    pass
class B():
    pass
class C(A,B):
    pass
Discuss
Answer: (b).Multiple inheritance
Q99.
What is the output of the following piece of code?
class A:
    def __init__(self):
        self.__x = 1
class B(A):
    def display(self):
        print(self.__x)
def main():
    obj = B()
    obj.display()
main()
Discuss
Answer: (d).Error, private class member can’t be accessed in a subclass
Q100.
What is the output of the following piece of code?
class A:
    def __init__(self):
        self._x = 5       
class B(A):
    def display(self):
        print(self._x)
def main():
    obj = B()
    obj.display()
main()
Discuss
Answer: (d).Error, private class member can’t be accessed in a subclass

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