Question: 1 = how many marks?
Answer: 1% , or one per cent, means 1 out of 100, so if you are taking a test in which 100 marks are available, then 1 mark is 1 per cent, but otherwise it is not. For example if you score 23/50 marks on a test, 23/50 = 46/100 so you would have achieved 23 marks, which is 46% of the available marks.