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Solutions for even numbered questions in C++ exercises for beginners

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  solutions for even numbered questions in C++ exercises for beginners   #Q2)  we can solve this problem by using arrays but for now as a beginner we solve it  by declaring five variables to store the scores of those students. #include<iostream> using namespace std; int main(){ float num1,num2,num3,num4,num5,average; cout<<"Enter the test scores respectively : "<<endl; cin>>num1>>num2>>num3>>num4>>num5; average=(num1+num2+num3+num4+num5)/5.0; cout<<"the average of the given test score is "<<average<<endl; return 0; } #Q4) let us do it by using if..else statments  #include<iostream> using namespace std; int main(){ double  x,y,z;   cout<<"Enter the three numbers respectively "<<endl; cin>>x>>y>>z; // accepting input from user  cout<<"the numer that you entered is "<<x<<" , "<<y<<" , "<&l
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C++ sample Exams with their answers

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Part ፩ : Choose the best answer from the following alternativealternatives.(1.5 each) 1. Evaluate the following !(1 && !(0 || 1)) A. 0 B. 1 C. -1 D. error 2. How many times will the following while loop print "hello"? .... int main() int i=1; while(i<=10){ cout<<"hello world";} return 0;} A. 10 B. 8 C. An infinite number of times D. none 3. Which one is not Mandatory part in function declaration? A. return type B. parameters C. function name D. none 4. the following loops is supposed to print all even numbers from 0 to 20 which option will be replaced for the blank space? ..... k=0; while(k<=20 { cout< _________;} A. k=2*k B. k=k+1 C. k=k+2 D. k=k-2 5. Given program as follows , what would be printed? int myFun(int n) { if(n==0) return 0; else return n+ myFun(n-1);} A. 0 B. 10 C. 5 D. 15 6. Assu
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