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1. |
EASY
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If the ratio of boys to girls is 16:1 in Ryan's class, and there are 16 boys, how many girls are in the class?
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2. |
EASY
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There are 5 red marbles and 7 blue marbles in a bag. What is the ratio of red marbles to blue marbles?
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3. |
EASY
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Ben took a Math contest and got 10 correct and 35 incorrect answers. What was the percentage of correct answers? (Round to the nearest percent.)
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4. |
MEDIUM
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In an ice cream preference survey, it was shown that 32 students preferred chocolate, 23 preferred vanilla, and 53 preferred the Alex Special Blend\(^{TM}\). What percentage of students did not like chocolate?
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5. |
MEDIUM
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Yves and Julia have 12 children. If 3 of them are girls, what percent of them are boys?
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6. |
MEDIUM
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If there are 10 multiple choice questions and 4 short answer questions on a test, what is the ratio of short answer questions to multiple choice questions, in simplest form?
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7. |
MEDIUM
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On Mr.L's tests, the ratio of bonus questions to regular questions is 2:5. If there are 6 bonus questions, how many regular questions are there?
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8. |
HARD
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In a class, 20 students are girls, composing 40% of the class. What is the total number of students in the class?
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9. |
HARD
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In Mr.G's class, the ratio of boys to girls is 4:5. If 25% of the boys leave the class, what is the new ratio of boys to girls?
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10. |
HARD
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Ben answered 64 problems correctly on his history exam and received a grade 75%. How many problems were on the exam, if all the problems were worth the same number of points? (Round to the nearest whole number)
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