Sudoku : Complete the Grid & Sharpen Your Intellect

Sudoku puzzles will challenge, entertain and sharpen your intellect. Fill every row, column and 3 X 3 grid with the numbers 1 to 9. Using a little logic and process of elimination find all the numbers to complete the grid. You don't have to be a mathematician to complete these puzzles, but if you're struggling check the flip side for the solution.