There is no point doing a subject you have no passion for, just because it's easy. Most likely you'll have picked your A level subjects, based on what you want to do at university. So, let's say for example, you wanted to do science based course, science at A level would be better than; Media, ICT and music tech, just because you find them `easy`
If you're enjoying maths, stick with it, it doesn't matter if you ask questions, that's what the teachers are there for!