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4. Write a function in C that will find out the even numbers from an array and store even numbers to the even array. Declare two arrays named originalArray and evenArray of the size 10 in main. Take 10 elements from user and initialize the originalArray in main then call the function and print the even numbers in that function.Consider the following function prototype:void findEvenArray(int arrSize, int originalArray[], int evenArray[]) Your answer 5. Write a function in C that will return the average of the diagonal elements of a matrix. The matrix must be a square matrix and the matrix elements must be taken from user. Consider the function prototype: double getDiagonalAvg(int rowSize, int colSize, int mat[rowSize][colSize])