C++ miscellaneous MCQ question and answer with solution | C++ Programimg MCQs

A. To define a new namespace

B. To declare a variable

C. To declare a function

D. To introduce a name from a namespace into the current scope

A. long long

B. long double

C. unsigned float

D. wchar_t

A. To return the type of an expression

B. To return the memory address of a type

C. To compare two types

D. To perform type casting

A. It specifies that the member function cannot be overridden

B. It specifies that the member function does not modify the object's data members

C. It allows the member function to modify the object's data members declared as static

D. It allows the member function to modify the object's data members declared as const

A. lambda(int x, int y) { return x + y; };

B. function lambda(int x, int y) { return x + y; };

C. auto lambda = [](int x, int y) { return x + y; };

D. auto lambda(int x, int y) -> int { return x + y; };

A. To perform implicit type conversions

B. To perform explicit type conversions

C. To access static class members

D. None of the above

A. int arr[5] = {1, 2, 3, 4, 5};

B. int arr[] = {1, 2, 3, 4, 5};

C. int arr[5] {1, 2, 3, 4, 5};

D. int arr[5]; arr = {1, 2, 3, 4, 5};

A. A null pointer value

B. A reference to a null pointer

C. An empty string

D. An integer value

A. To access static class members

B. To allocate memory dynamically

C. To perform explicit type conversions

D. To cast an object to an rvalue reference

A. To store a list of initializers

B. To initialize class objects with a list of values at runtime

C. To initialize containers with a list of values at compile time

D. To allocate memory dynamically