14 of them.
You can get 60 questions wrong and get a 70 percent but if you get 61 wrong you are at a 69.5 percent.
30
70% of 25 is 17.5. That is you will pass with 7 (7.5) questions wrong.
24 wrong answers
In order to score exactly 70% on a test with exactly 70 questions ... if every questionis worth the same credit ... you have to get 21answers wrong. You can do it.
You can get 60 questions wrong and get a 70 percent but if you get 61 wrong you are at a 69.5 percent.
30
You can get 18 wrong.
70% of 25 is 17.5. That is you will pass with 7 (7.5) questions wrong.
You can get 60 questions wrong, which leaves you with 140 answers correct, giving you 70%.
24 wrong answers
In order to score exactly 70% on a test with exactly 70 questions ... if every questionis worth the same credit ... you have to get 21answers wrong. You can do it.
30/100*25 =7.5 so you must not get more than 7 questions wrong to score 70%
To achieve a score of 70 percent on a 50-question test, a student must answer at least 35 questions correctly (70% of 50). This means they can get a maximum of 15 questions wrong (50 - 35 = 15) and still meet the passing criteria.
Oh, dude, you're really stressing about this, huh? Well, technically, if you want a 70 percent on a 70-question test, you can get 21 questions wrong. But like, who's counting, right? Just do your best and hope for a generous curve!
Well, honey, if you want a 70 percent on a 210-question exam, you can afford to get 63 questions wrong. Just make sure you don't mess up more than that, or you'll be singing a different tune. Good luck, sweet cheeks!
If you miss 28 questions out of 70, your score would be 60%