Woody participated in a math skills competition. There are $25$ questions in total.  For each correct answer he gained $4$ points.  For each incorrect answer he lost $2$ points.  For each question he did not attempt, he scores $0$ point.  Woody answered all but one of the questions and got a score of $66$ points.  How many correct answers did he have? 
Overseas Competition->Knowledge Point->Word Problem Modules->Chicken-Rabbit Problems->Solving Chicken-Rabbit Problems by Using Hypothesis->Deducting Marks