Hello,
Leagl aptitude means legal reasoning not just legal knowledge. In this type of questions you have to focus mainly legal cause where you can get a set of facts and principle of law. You have to apply principle first then you can go for solve the question.
Aptitude in law it's also part of legal aptitude dear. This aptitude test check your knowledge for any law entrance examination. It's mainly focused on your knowledge about the fact. This is the main difference between them. But all over aptitude are almost same. You have to practice more and more aptitude then you can solve it very quickly.
All the best.
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