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|What is C++?|
C++ is an object-oriented programming language created by Bjarne Stroustrup in 1985.
|What are the differences between C and C++?|
C++ is a superset of C language.
C is a procedural programming language, but C++ supports both procedural and Object Oriented programming.
In C++ can use access modifier to restrict access of member function and variable to outside class and user, but in C we can’t do that.
|What are the differences between C++ and Java?|
C++ has pointers, but Java does not support pointer.
|Explain is Object Oriented Programming (OOP)?|
Object-oriented programming is a techniques for managing enormous complexity, achieving reuse of software components, and coupling data with the procedures that work on that data as a single "object"--a self-contained entity.
The basic concepts of Object Oriented Programming are given below:
|What is a class in C++?|
Class is a user-defined data type. It can consist of any combination of the variable types and also other class types.
|What is an object?|
An object is an individual instance of a class and also called a class variable.
|Define the private, public and protected in C++?|
Private, Public and protected and are three access specifier in C++.
Private: All members of a class data and methods are private by default. Private members can be accessed only within methods of the class itself.
Constructors is special member function of class with the same name as the class and it used to create and initialize Object.
Destructors always has the name of the class, preceded by a tilde (~) and clean up allocated memory. Destructors take no arguments and have no return value.
|What is Default Constructors and Destructors?|
If we don't declare a constructor or a destructor manually, the compiler makes one for you. The default constructor and destructor take no arguments and do nothing.
|What is a copy constructor?|
A copy constructor is the constructor which copies the exact values of one object's member variables into another object.
|Explain the static variable and member function?|
Static variables and member functions belonging to the class rather than to the object. Normal member data is one per object, but static members are one per class and they can be called without having an object of that class.
|What is a friend function?|
A function which is not a member of the class but still can access all private and protected member data and functions of the class.
|What is Inheritance?|
Inheritance is the process of acquiring the properties of the existing class into the new class.
|What is function overriding?|
A derived class creates a function with the same return type and signature (function name, as well as the number and type of its Parameters) as a member function of the base class, but with a new implementation, it is said to be overriding that method.
|What is polymorphism?|
Polymorphism is the ability to treat many objects of differing but related types without regard to their differences.
By what number should we multiply -1/5 so that the product may be 9/25?
|Profit and Loss|
A person sells an article for Rs 550, gaining 1/10 of its cost price. Its gain percentage is.
If 3x + 2y = 12 and xy = 6, then 9x2 + 4y2 = ______.
|Volume and Surface Area|
In a temple there are 25 cylindrical pillars. The radius of each pillar is 28cm and height 4m. The total cost of painting the curved surface area of pillars at the rate of Rs. 8 per m2 is:
|Problems on Ages|
After 12 years, I shall be 3 times as old as I was 4 years ago. My present age is:
|Square and Cube Root|
The smallest number by which 1100 must be multiplied so that the product becomes a perfect square is____.
What is the probability that a number selected from the numbers 1, 2, 3,…….,25 is a prime number, when each of the given numbers is equally likely to be selected?
|Square and Cube Root|
What is the smallest number by which 3087 must be divided so that the quotient is a perfect cube?
The most comfortable distance at which one can read with a normal eye is:
Cholera is caused by:
Write the name of reptile with four chambered heart?
Raj borrowed Rs. 5000 at 10% per annum on simple interest and lent the same amount at 15% per annum on compound interest. At the end of 2 years, he would ?
If the area of a square is 16 cm2, then the area of the square joining the mid-points of the sides is?
|General Knowledge of MP|
Vidisha is situated on the banks of river?
|General Knowledge of World|
When is the Human Rights Day celebrated?
|Profit and Loss|
By selling coconuts at the rate of Rs. 6/- each, a trader gained 20%. Find the cost of 100 coconuts?
|General Knowledge of India|
How many coastal state are in India?
A person is to count 4500 currency notes. Let an denote the number of notes he counts in the nth minute. If a1 = a2 = .... = a10 = 150 and a10 , a11 ,... are in an AP with common difference – 2, then the time taken by him to count all notes is ?
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