Place reference to them in and array an sort the array

Place them in a linked list and sort the linked list

Place pointers to them in an array and sort the array

Place them in an array and sort the array

1/2 * i (i + 1) j

i + j

i (i + 1) + j

none of these

n/2

(n-1)/2

(n+1)/2

None of these

is far greater than one

equals one

Is far less than one

none of these

60

45

20

None of these