TEAS Test Math Prep

Questions 45

ATI TEAS 7

ATI TEAS 7 Test Bank

TEAS Test Math Prep Questions

Question 1 of 5

Calculate the sum of the numbers from 1 to 6:

Correct Answer: B

Rationale: To calculate the sum of numbers from 1 to 6, we use the formula for the sum of an arithmetic series: n/2 * (first term + last term). In this case, n=6, first term=1, last term=6. So, 6/2 * (1 + 6) = 3 * 7 = 21. Therefore, the correct answer is B: 21. Explanation for other choices: A (30): Incorrect, as it is not the sum of numbers from 1 to 6. C (15): Incorrect, this is the sum of numbers from 1 to 5, not 1 to 6. D (13): Incorrect, this is the sum of numbers from 1 to 4, not 1 to 6.

Question 2 of 5

After taking a certain antibiotic, Dr. Lee observed that 30% of all his patients developed an infection. He further noticed that 5% of those patients required hospitalization to recover from the infection. What percentage of Dr. Lee's patients were hospitalized after taking the antibiotic?

Correct Answer: A

Rationale: To find the percentage of patients hospitalized, we multiply the percentage who developed an infection by the percentage requiring hospitalization: 30% (infection rate) * 5% (hospitalization rate) = 1.5%. Therefore, the correct answer is A: 1.50%. Choices B, C, and D are incorrect because they do not accurately calculate the percentage of patients hospitalized based on the given data.

Question 3 of 5

Which of the following numbers is the largest?

Correct Answer: A

Rationale: Step 1: Compare the whole numbers. 0.45 > 0.3 > 0.313 > 0.096 Step 2: Compare the decimal parts if necessary. 0.45 has the largest decimal part, making it the largest number overall. Summary: - A is correct as 0.45 is the largest number. - B, C, and D are incorrect as they are smaller than 0.45, either in whole or decimal parts.

Question 4 of 5

If a car travels 150 miles in 3 hours, what is the car's average speed in miles per hour?

Correct Answer: B

Rationale: To calculate average speed, you divide the total distance by the total time. In this case, 150 miles divided by 3 hours equals 50 mph. Therefore, choice B is correct. Choice A is incorrect as it is too low. Choice C and D are incorrect as they are too high.

Question 5 of 5

This chart indicates the number of sales of CDs, vinyl records, and MP3 downloads that occurred over the last year. Approximately what percentage of the total sales was from CDs?

Correct Answer: C

Rationale: The correct answer is C (40%). To calculate the percentage of total sales from CDs, you need to divide the number of CD sales by the total sales of all formats (CDs + vinyl + MP3). In this case, let's say CD sales were 400 units, vinyl sales were 300 units, and MP3 sales were 300 units, making the total sales 1000 units. To find the percentage of CD sales, divide 400 by 1000 and multiply by 100, yielding 40%. Choice A (55%) is incorrect as it overestimates CD sales. Choice B (25%) and Choice D (5%) are incorrect as they underestimate CD sales.

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