Nokea
Identify the number that represents the largest amount.
- A. 95%
- B. 1.25%
- C. 16.25%
- D. 73.90%
Correct Answer: A
Rationale: Correct Answer: A
Rationale:
To identify the largest amount, we look for the highest percentage value. 95% is the highest among the given choices.
Summary:
- Choice B (1.25%) is the smallest percentage.
- Choice C (16.25%) is higher than choice B but not the largest.
- Choice D (73.90%) is lower than choice A, making it incorrect.
In conclusion, 95% (Choice A) represents the largest amount among the options provided.
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Subtract 5/6 - 3/4.
- A. 1
- B. 1/12
- C. 2/24
- D. 1/2
Correct Answer: B
Rationale: When subtracting fractions, the first step is to find a common denominator. In this case, the common denominator is 12. To make 5/6 and 3/4 have a common denominator of 12, we multiply the numerator and denominator of 5/6 by 2 to get 10/12, and we multiply the numerator and denominator of 3/4 by 3 to get 9/12. Now we have 10/12 - 9/12, which simplifies to 1/12. Therefore, the correct answer is 1/12. The subtraction of fractions involves subtracting the numerators while keeping the common denominator. It is essential to understand how to find a common denominator to perform operations on fractions accurately. In this case, converting 5/6 and 3/4 to have a common denominator of 12 allows for a straightforward subtraction process. Remember, always simplify the result if possible to obtain the answer in its simplest form.
Compare the relationships of these numbers: 0.25 is _______ to 25%.
- A. equal
- B. greater
- C. less
- D. not comparable
Correct Answer: A
Rationale: 0.25 is equivalent to 25% because they represent the same value in different forms. 0.25 is the decimal representation of 25% (0.25 = 25/100), making them equal in value. When comparing these two numbers, they are not greater or lesser than each other; they are exactly the same amount, just expressed differently. Therefore, the correct answer is 'equal' as 0.25 and 25% are essentially the same numeric value in different formats, demonstrating an equal relationship between them.
Seven girls each have seven cats. How many legs are there in the group?
- A. 210
- B. 63
- C. 186
- D. 49
Correct Answer: A
Rationale: To find the total number of legs, we multiply the number of girls by the number of legs each girl and cat has. 7 girls x (2 legs per girl + 4 legs per cat) x 7 cats = 7 x (2+4) x 7 = 7 x 6 x 7 = 210 legs.
Choice A is correct because it correctly calculates the total number of legs.
Choice B is incorrect as it only considers the girls' legs.
Choice C is incorrect as it does not account for the cats' legs.
Choice D is incorrect as it only considers the number of cats.
If a person reads two chapters a day, with each chapter having 6 pages, and there are 798 pages in total, how many days will it take them to finish reading?
- A. 133
- B. 399
- C. 66 1/2
- D. 75 1/2
Correct Answer: C
Rationale: To determine the number of days it will take to finish reading 798 pages, divide the total number of pages by the number of pages read in a day. Since the person reads 2 chapters per day, equivalent to 12 pages per day (2 chapters * 6 pages per chapter), it will take them 798 / 12 = 66.5 days, which is the same as 66 1/2 days. Therefore, the correct answer is 66 1/2, representing the number of days needed to complete reading all 798 pages if two chapters of 6 pages each are read daily.
Change the decimal to a percent: 0.64 =
- A. 0.64%
- B. 64%
- C. 6.40%
- D. 0.06%
Correct Answer: B
Rationale: To convert a decimal to a percent, you move the decimal point two places to the right and add a percentage sign. In this case, 0.64 becomes 64%. Therefore, the correct answer is B.