Question

Write a while loop that displays numbers 2,4, 6, 8 …… 20.

Answer 1

#include <iostream>

using namespace std;

int main()

{

int i = 2;

while(i<=20)

{

cout<< i <<"\t";

i+ = 2;

}

return 0;

}

Output:

2 4 6 8 10 12 13 14 16 18 20