It depends on how many questions there are.
95% of the questions, provided there are no penalties for wrong answers.
1
You can get 20 questions wrong.
Provided that all 150 exam questions are weighted equally, then 105 correct responses is 70%.
5
5
14 of them.
30
no more than 7
37 questions wrong gives you a 70.2% correct.
70% of 25 is 17.5. That is you will pass with 7 (7.5) questions wrong.
you can get 6 wrong. and you will have a 91% if u get more than that then u will be at an 89% (if the ?'s are not all worth the same amount u can get up to 6.5 wrong)