OOPs Concepts

[A]. Multilevel inheritance
[B]. Multiple inheritance[C]. Hybrid inheritance
[D]. Hierarchical Inheritance

Answer: Option B

[A]. It speeds up execution.
[B]. It slows down execution.[C]. It increases the code size.
[D]. Both A and C.

Answer: Option D

[A]. A constructor is called at the time of declaration of an object.
[B]. A constructor is called at the time of use of an object.[C]. A constructor is called at the time of declaration of a class.
[D]. A constructor is called at the time of use of a class.

Answer: Option A

[A]. It decreases the testing time.
[B]. It lowers the maintenance cost.[C]. It reduces the compilation time.
[D]. Both A and B.

Answer: Option D

[A]. Copy constructor
[B]. Friend constructor[C]. Default constructor
[D]. Parameterized constructor

Answer: Option B

[A]. protected
[B]. public[C]. private
[D]. friend

Answer: Option C

[A]. >>
[B]. <<[C]. +
[D]. =

Answer: Option B

[A]. istream.h
[B]. ostream.h

[C]. iomanip.h
[D]. iostream.h

 

Answer: Option D

[A]. public
[B]. private[C]. protected
[D]. friend

Answer: Option D

[A]. overload
[B]. operator[C]. friend
[D]. override

Answer: Option B