Answer to Question #284603 in C++ for GET

Question

6.write for loop that will produce each of the following sequence  2, 4, 6, ….44

 5, 7, 9,…...45

 The sum of numbers between 2 to 44 inclusive

 The sum of the first 20 numbers in the series 1, 4, 7, 10…

7.Re write the following code fragment using one switch statement

if (ch = = ‘E’|| ch= = ‘e’)

cout<<" this is either the value of ‘E’ or ‘e’";

else if (ch = = ‘A’|| ch= = ‘a’)

cout<<" this is either the value of ‘A’ or ‘a’";

else if (ch = = ‘r’|| ch= = ‘i’)

cout<<" this is either the value of ‘i’ or ‘r’";

else

cout<<" Enter the correct choice";

8.Write a C++ program for the following flowchart. N.B Let the user enter the

initial value of X and Y, finaly your program should return the value of X, Y and

Z.

9.If the originally x=2 ,y=1 and z=1, what are the value of x, y, z after executing the

following code?

Switch(x)

{

case 0 : x = 2;

y =3;

case 1 : x =4;

Default:

y = 3;

x = 1;

Answer 1

#include <iostream> 
using namespace std; 
int main() { 
 // 1 2 4 8 16
 for(int i=2;i<=44;i=i*2){
      cout<<i<<" ";  } 
cout<<"\n"; 
// 1 2 4 6 10 15
 for(int i=5;i<=45;i=i+i){
      cout<<i<<" ";
  }
     return 0; }