int Marks [20] = { 70, 85, 60, 55, 90, 100, 50) float Length [15] = { 2.2, 3.0, 4.4, 2.8, 3,3,5,6 }; For the above code, answer the following questions i) Find the size of Length array ii) How many number of elements are present in Length array ? III) Find the index value for last element in array iv) Find the index value for the element 3.0 S Find the value of Length[1] + Length[3]