Interesting Quiz On Ratios And Rates!
Learning Mathematics is fun for those with exceptional analytical skills; but for some, it's something that gives you a headache. Whether you like it or not, there is a lot of the numbers game in this crazy world.
Questions and Answers
- 1.
The ratio of goldfish to gallons of water is 7 is to 2. How many goldfish can you get if you have 16 gallons of water?
- A.
46
- B.
56
- C.
36
- D.
26
Correct Answer
B. 56Explanation
The ratio of goldfish to gallons of water is 7:2, which means for every 7 goldfish, there are 2 gallons of water. To find out how many goldfish you can get with 16 gallons of water, you need to set up a proportion. Cross-multiplying, you get 7 * 16 = 2 * x, where x represents the number of goldfish. Solving for x, you find that x = 56. Therefore, you can get 56 goldfish if you have 16 gallons of water.Rate this question:
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- 2.
You type 200 words in 5 minutes. Brenda types 240 words in 6 minutes.How many words does Brenda type in a minute?
- A.
20 words
- B.
40 words
- C.
60 words
- D.
80 words
Correct Answer
B. 40 wordsExplanation
To find out how many words Brenda types in a minute, we can divide the total number of words she types (240) by the total number of minutes it takes her to type them (6). This gives us a rate of 40 words per minute. Therefore, Brenda types 40 words in a minute.Rate this question:
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- 3.
For every 5 yards you run, Jill runs 6 yards. If you have run 30 yards, then how far has Jill run?
- A.
36 yards
- B.
45 yards
- C.
27 yards
- D.
18 yards
Correct Answer
A. 36 yardsExplanation
Jill runs 6 yards for every 5 yards you run. If you have run 30 yards, it means that Jill has run 6 yards for every 5 yards you ran. To find out how far Jill has run, we can set up a proportion: 6/5 = x/30. By cross-multiplying, we get 5x = 180, and solving for x, we find that x = 36. Therefore, Jill has run 36 yards.Rate this question:
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- 4.
You are taking a test for your History class. You have 20 minutes to answer 10 questions. How much time do you have for 5 questions?
- A.
5 minutes
- B.
10 minutes
- C.
15 minutes
- D.
20 minutes
Correct Answer
B. 10 minutesExplanation
If you have 20 minutes to answer 10 questions, it means you have 2 minutes per question. Since you only need to answer 5 questions, you can multiply 2 minutes by 5 to get the total time needed, which is 10 minutes. Therefore, you have 10 minutes to answer 5 questions.Rate this question:
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- 5.
You are taking a test for your English class. You have 10 questions for 10 minutes. How much time do you need to answer 8 questions?
- A.
2 minutes
- B.
4 minutes
- C.
6 minutes
- D.
8 minutes
Correct Answer
D. 8 minutesExplanation
To answer 8 questions, you would need 8 minutes. Since the test has 10 questions and you have 10 minutes to answer them all, it can be assumed that each question should be answered within 1 minute. Therefore, if you have 8 questions left to answer, you would need 8 minutes to complete them.Rate this question:
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- 6.
You are taking a test in Math. For every 3 questions, you have 5 minutes. If you have 30 questions, how much time do you have to take the test?
- A.
20 minutes
- B.
40 minutes
- C.
50 minutes
- D.
60 minutes
Correct Answer
C. 50 minutesExplanation
If for every 3 questions you have 5 minutes, then for 30 questions you will have 10 sets of 3 questions. Each set will take 5 minutes, so 10 sets will take 10 times 5 minutes, which equals 50 minutes. Therefore, you have 50 minutes to take the test.Rate this question:
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- 7.
You are taking a test in Science. There are 20 questions and is allotted 45 minutes. How much time do you have for 10 questions?
- A.
2 minutes and 25 seconds
- B.
11 minutes and 25 seconds
- C.
22 minutes and 5 seconds
- D.
None of the above
Correct Answer
C. 22 minutes and 5 secondsExplanation
Since there are 20 questions in total and 45 minutes allotted, we can calculate the average time per question by dividing the total time by the number of questions: 45 minutes ÷ 20 questions = 2 minutes and 15 seconds per question. Therefore, for 10 questions, we can multiply the average time per question by 10: 2 minutes and 15 seconds × 10 = 22 minutes and 5 seconds.Rate this question:
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- 8.
The price of apples is 3 for $2.00. How much do you pay for 30 apples?
- A.
$10.00
- B.
$20.00
- C.
$30.00
- D.
$40.00
Correct Answer
B. $20.00Explanation
If the price of apples is 3 for $2.00, it means that each apple costs $2.00/3 = $0.67. Therefore, for 30 apples, you would pay 30 * $0.67 = $20.00.Rate this question:
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