138 correct answers. 138/150=92
0.70 x 125 = 88 questions right You can miss 125-88 = 37 questions to get 70 percent But you got to get all the rest correct!
10 questions
Questions correct are 130 * 0.92 or 120.
11
Multiply the total questions by the percentage (divide the percentage by 100 first) to get the number you had correct. In this case it would be 150 times (64/100) to give you 96 correct answers.
Getting 72 per cent right means if you had 100 questions you would have got 72 correct. Since there were half as many questions (50), you would have got half as many (36) correct.
0.70 x 125 = 88 questions right You can miss 125-88 = 37 questions to get 70 percent But you got to get all the rest correct!
If there are 85 questions, a passing grade of 80% would be 68 correct answers.
10 questions
Questions correct are 130 * 0.92 or 120.
16/20 each question is 5% so 4 wrong and 16 correct.
You'd be 100% right.
40 questions
11
14.
x/30 = 0.93 x = 28 questions
Multiply the total questions by the percentage (divide the percentage by 100 first) to get the number you had correct. In this case it would be 150 times (64/100) to give you 96 correct answers.