My 10th preboards struggle

Yesterday my preboards for 10th started and it was Algebra and God I got cooked well done there.I went with expectations of atleast 90-95%+ and now after the paper expectations for marks are 65-70% lol.....total collapse.Today was English paper and I aced that pretty well and tomorrow is fucking Science 1 and I am already cooked so yes that's the condition of today 😅