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Computer science C++

3. After following statements have executed, find the value of the variable a.
int a=5;
while (a<20)
​a=a+3;

4. After following statements have executed, find the value of the variable a.
int a=0;
while (a<12)
​a++;

5. After following statements have executed, find the value of the variable a.
int a=15;
while (a>0)
​a=a-3;

6. After following statements have executed, find the value of the variable a.
int a=2, i=0;
while (i<=5){
​a=a+i;
​i++;
}

7. After following statements have executed, what will be appear on the output window
int i=0, a=0;
while(i<10){
​a=a+i*i;
​i=i+2;
​cout<<a<<endl;
}

8. After following statements have executed, what will be appear on the output window
int i=10, a=0;
while(i>3){
​a=a+i*i;
​i=i-2;
​cout<<a<<endl;
}

Just write the answers.

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  1. better yet, why don't you just execute the code?

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