int Marks [20]= { 70, 85, 60, 55, 90, 100, 50 }; For the above code, answer the following questions 1) Find the size of Marks array. 10) How many number of elements are present in Marks array ? JU) Find the index value for last element in array iv) Find the index value for the element 60 v) Find the value of Mark [2] + Mark [0] in Marks array