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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.
|General Knowledge of India|
Which of the following dance forms was introduced by the great Vaishnava saint and reformer Mahapurusha Sankaradeva ?
Which of the following is the only classical dance of india having links with Muslim culture and represents a unique synthesis of Hindu and Muslim genius in art ?
|Time and Distance|
Starting from the same point at the same time, Ruhan and Yuvan had to reach the same destination. While Ruhan drove at 45 km/hr, Yuvan was slower by 5 km/hr. If Yuvan arrived at the destination an hour after Ruhan did, the distance covered by each, in Kilometres, was ?
A sum of money was invested at a certain rate of simple interest for 4 years. Had the sum been invested at a rate 3% higher than the actual rate, the interest earned would have been 720 Rs more. Find the sum initially invested?
|Ratio and Proportion|
A bag contains red, blue and black balls. The ratio of red to blue balls is 3 : 5. The ratio of black to red balls is 3 : 4. What is the ratio of blue to black balls?
|Profit and Loss|
Selling a pack of incense sticks for 136 Rs resulted in a loss of 15%. To make a profit of 10%, the selling price should be ?
23% of a bucket full of diluted milk was water. If the quantity of pure milk in the bucket was 15.4 liter, then the capacity of the bucket was ?
The average of the marks obtained by three girls in a test was twice the average of the marks obtained by eight boys in that test. If the total marks obtained by all these examinees was 168, find the average marks each of the girls obtained ?
|Pipes and Cistern|
44 pipes can fill a large water tank in 27 hours. How many hours it take for 66 pipes to fill four such tanks ?
|HCF and LCM|
A natural number, when divided by 3, 4, 5, 6, and 7 respectively, leaves corresponding remainder of 2, 3, 4, 5 and 6. What is the smallest of all such numbers fulfilling the above condition ?
If in a certain code language, PRINT is written as 34825 and TRUE is written as 5479. Then, how will TENURE be written in that language?
Arrange the given words from smallest to biggest-
|Statement and Conclusion|
The difference between the place value of 4 and 2 in the number 833749502 is ?
GIKM : HJLN :: PRTV : .........?
In a row of girls, Nanda is eighth from the left and Chanda is nineteenth from right. When Nanda and Chanda interchange their positions, Chanda becomes twnty-third form right. How many girls are there in the row?
Summer: Day :: Winter : ........?
Bird:Winges :: Fish:........?
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