four people split a bill the first person pays for the second person pays for and the third person pays for what fraction of the bill does the four
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ATI TEAS 7

TEAS Test Sample Math Questions

1. Four people split a bill. The first person pays 1/5, the second person pays 1/3, and the third person pays 1/12. What fraction of the bill does the fourth person pay?

Correct answer: C

Rationale: To find the fourth person's share, subtract the fractions paid by the first three people from the total bill (1). The first person pays 1/5, the second person pays 1/3, and the third person pays 1/12. Adding these fractions gives 7/15. Subtracting this from 1 gives the fourth person's share as 8/15, which simplifies to 4/5. Therefore, the fourth person pays 4/5 of the bill. Option A (1/4) is incorrect because it does not consider the fractions paid by the first three people. Option B (13/60) is incorrect as it is not the remainder after subtracting the first three fractions from 1. Option D (1/4) is a duplicate of Option A and is also incorrect.

2. What is the metric equivalent of 1 inch?

Correct answer: B

Rationale: The correct answer is B: 2.54 cm. One inch is equivalent to 2.54 centimeters in the metric system. This conversion factor is commonly used in converting measurements between the imperial and metric systems. Choice A (1.54 cm), Choice C (3.54 cm), and Choice D (4.54 cm) are incorrect conversions and do not represent the accurate metric equivalent of 1 inch.

3. Which property of a substance refers to its ability to be stretched into thin wires without breaking?

Correct answer: C

Rationale: Ductility is the property of a substance that allows it to be stretched into thin wires without breaking. This property is distinct from the other options provided. Conductivity refers to the ability to conduct electricity or heat, viscosity refers to a liquid's resistance to flow, and malleability refers to the ability of a substance to be hammered or rolled into thin sheets. Therefore, the correct answer is 'Ductility.'

4. What is the name of the regulatory region in a gene that controls its expression?

Correct answer: C

Rationale: A) Exon: Exons are the coding regions of a gene that are transcribed into mRNA and eventually translated into proteins. Exons do not regulate gene expression. B) Intron: Introns are non-coding regions of a gene that are removed during RNA processing and do not play a direct role in controlling gene expression. C) Promoter: The promoter is a regulatory region located at the beginning of a gene that initiates the process of transcription by binding transcription factors and RNA polymerase. It plays a crucial role in controlling gene expression. D) Enhancer: Enhancers are regulatory regions that can be located far from the gene they regulate and can increase the transcription of a gene. While enhancers are important for gene expression, the specific region that controls gene expression is the promoter. Therefore, the correct answer is C) Promoter, as it is the regulatory region in a gene that controls its expression by initiating transcription.

5. Ernestine has a short research project to complete, and her assigned topic is the history of the Globe Theatre in London. Which of the following sources would be the best starting point for Ernestine's research?

Correct answer: C

Rationale: The best starting point for Ernestine's research on the history of the Globe Theatre in London would be the Encyclopedia Britannica. This choice is correct because the Encyclopedia Britannica provides authoritative and comprehensive information on various topics, including historical landmarks like the Globe Theatre. It offers detailed articles and references that would help Ernestine gain a deeper understanding of the theatre's background, construction, significance, and overall history. Choice A, Roget's Thesaurus, is incorrect because it is a thesaurus used for finding synonyms and antonyms of words, not historical information. Choice B, Webster's Dictionary, is also incorrect as it is a dictionary used for word definitions, not historical research. Choice D, University of Oxford Style Guide, is not the best starting point for historical research on the Globe Theatre, as it focuses on style and formatting guidelines rather than providing historical content.

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