How can a array be declared so that all the elements are equal to 0?

(Choose one option)

      int v[5];
      int v[5]=0;
      int v[5]={}
   

From where does the counting starts in a array?

(Choose one option)

  1
  0
  -1

Why shouldn't we use arrays with many multiple dimensions?

(Choose one option)

  Because it doesn't look nice
  Because it uses to much memory
  Because it doesn't have any usage

Why are single dimensional arrays prefered for problem solving, ussualy?

(Choose one option)

  Because they are easier to use
  Because they look nice
  Because they use little memory space

Considering that the array is a char type, which operation is invalid?

(Choose one option)

  v[2]='a';
  v[3]=1;
  strupr(v[2]);