Problem Solving and Programming -... Write a C function that takes an array of n integers as input, and prints the average of integers in the array only at the prime locations(ie. 2,3,5,7....) Your answer * Write a C program that uses an array of structures to read details of mobiles in a mobile shop, such as name of the mobile, model no, price. Find the following . Write a function to find the total cost of all the mobiles in the shop Your answer * Show the passes of the selection sort to sort in ascending order for 92.27, 42,21,5, and write for what kind of input the number of swaps will be maximum Your answer Explain passing by value and passing by address with functions that will take an integer variable mas input and modify m with (m-1), Your