Here I am providing the simple jquery with validation and sending data to php with source code. Also I included the anti-spamming math calculation, which will be more helpful, provided php program is used.
You may change the code and design as you wish. If you use this code, kindly intimate by sending your comments for betterment of this website.
put style & script code in header
Put form code in body
Following in the Jquery of the form
Following in the HTML form code