Array C++

Which of the following is the correct way declaring an Array "Arr" which is an integer array having 20 element.?

• Array [] =Arr[20];
• int Arr[20];
• int[20] Arr;
• int Arr= new [20];

Which of the following is the correct way declaring an Array "MyArr" which is an integer array having 10 element.?

• Array [] =MyArr[10];
• int MyArr[10];
• int[10] MyArr;
• int MyArr= new [20];

Which of the following is the correct way declaring an Array "MyArr" which is an double array having 10 element.?

• Array [] =MyArr[10];
• double MyArr[10];
• double[10] MyArr;
• int MyArr= new [10];

Which of the following is the correct way declaring an Array "Arr" which is an integer array having 20 element.?

• array <int,20> Arr

• array<20,int> Arr

• array Arr

• array<20,double> Arr

Which of the following is the correct way declaring an Array "MyArr" which is an integer array having 10 element.?

• array<int,10> MyArr

• array<20,int> Arr

• array Arr

• array<20,double> Arr

Which of the following is the correct way declaring an Array "MyArr" which is an double array having 10 element.?

• array<double,10> MyArr

• array<20,int> Arr

• array Arr

• array<20,double> Arr

Which of the following statement Declare an array called ABC of 5 elements of type int and initialize all the elements to 100?

• int ABC[5]= {100,100,100,100,100};
• int ABC[ ]= {5,100};
• int ABC[5]= {5,100};
• int[5] ABC= {100,100,100,100,100};

Which of the following statement Declare an array called Y of 5 elements of type String and initialize the elements to
Ahmed, Khalifa, Mohammad, Sultan, Abdullah.

• String Y[5]={"Ahmed","Khalifa","Mohammad", Sultan", "Abdullah"};
• int Y[5]={"Ahmed","Khalifa","Mohammad", Sultan", "Abdullah"};
• String Y[ ]={"Ahmed","Khalifa","Mohammad", Sultan", "Abdullah"};
• String Y[5]={Ahmed,Khalifa,Mohammad, Sultan, Abdullah};

Which of the following statements correctly declare an Array Arr that have 5 elements and intialize it to zero using for loop?

• int Arr[20];

  For(i=0; i<20 ; ++i)

  {

  myArr[i]=0;

  }

• int Arr[5];

  For(i=0, i<5, ++i)

  {

  myArr[i]=0;

  }

• int Arr[5];

  For(i=0; i<5 ; ++i)

  {

  myArr[i]=0;

  }

• int Arr[5];

  For(i=0; i<20 ; ++i)

  {

  myArr[i]=0;

  }

Which of the following statements correctly declare an Array Arr that have 15 elements and intialize it such that each element is multiple of 2 using for loop?

• int Arr[15];

  For(i=0; i<15 ; ++i)

  {

  myArr[i]=i*2;

  }

• int Arr[5];

  For(i=0; i<5 ; ++i)

  {

  myArr[i]=0;

  }

• int Arr[5];

  For(i=0; i<5 ; ++i)

  {

  myArr[i]=0*2;

  }

• int Arr[5];

  For(i=0,i<5 , ++i)

  {

  myArr[i]=0;

  }