Explore topic-wise MCQs in Technical MCQs.

This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Technical MCQs knowledge and support exam preparation. Choose a topic below to get started.

Explore topic-wise MCQs in Technical MCQs.

#include&lt;iostream&gt; using namespace std; namespace lfc { int x = 10; } namespace lfc { int x = 20; } int main () { int x = 30; lfc::x; lfc::x; cout &lt;&lt; x; return 0; }10.Which keyword is used to access the variable in the namespace?

#include&lt;iostream&gt; using namespace std; namespace lfc1 { int x = 10; } namespace lfc2 { int x = 20; } int main () { int x = 30; lfc1::x; lfc2::x; cout &lt;&lt; x; return 0; }9.Which of the following is correct option?

#include&lt;iostream&gt; using namespace std; namespace lfc1 { double var =30.1234; } namespace lfc2 { double var = 13.5478; } int main () { double a; a = lfc1::var - lfc2::var; cout &lt;&lt; a; return 0; }8.Which of the following is correct option?

#include&lt;iostream&gt;using namespace std;namespace lfc1{ int var = 30;}namespace lfc2{ double var = 13.5478;}int main (){ int a; a = lfc1::var + lfc2::var; cout &lt;&lt; a; return 0; }7.Which of the following is correct option?

Which of the following is correct option?

The use of Namespace is to structure a program into logical units?

Which operator is used to signify the namespace in c++?

#include<iostream> using namespace std; namespace lfc { int x = 10; } namespace lfc { int x = 20; } int main () { int x = 30; lfc::x; lfc::x; cout << x; return 0; }10.Which keyword is used to access the variable in the namespace?

#include<iostream> using namespace std; namespace lfc1 { int x = 10; } namespace lfc2 { int x = 20; } int main () { int x = 30; lfc1::x; lfc2::x; cout << x; return 0; }9.Which of the following is correct option?

#include<iostream> using namespace std; namespace lfc1 { double var =30.1234; } namespace lfc2 { double var = 13.5478; } int main () { double a; a = lfc1::var - lfc2::var; cout << a; return 0; }8.Which of the following is correct option?

#include<iostream>using namespace std;namespace lfc1{ int var = 30;}namespace lfc2{ double var = 13.5478;}int main (){ int a; a = lfc1::var + lfc2::var; cout << a; return 0; }7.Which of the following is correct option?