Score Should Display

I have created objective questions in PPT. in each question there is 4 options and i have created 2 more slide with the messge "correct answer and the "wrong answer for sheet 2 and 3 respectively and given the hyper link for each objectives (which one is correct for that i have given hyperlink to "correct answer" similarly which is wrong given the hyperlink to "wrong answer". Now i need to get the total marks for the question at the end of the quiz how to do it.? please reply....

Regards,
Anwitha