HESI A2
HESI A2 Math Practice Exam Questions
Question 1 of 5
Convert 5 3/4 to a decimal. Round to the nearest tenth.
Correct Answer: C
Rationale: To convert 5 3/4 to a decimal, first convert the mixed number to an improper fraction: 5 3/4 = (4*5 + 3)/4 = 23/4. Then, divide the numerator by the denominator to get the decimal: 23 ÷ 4 = 5.75. Rounding to the nearest tenth gives 5.8, which is choice C. Choices A, B, and D are incorrect because they do not accurately represent the decimal equivalent of 5 3/4 rounded to the nearest tenth.
Question 2 of 5
A farmer wants to plant trees at the outside boundaries of his rectangular field with dimensions 650 meters 780 meters. Each tree requires 5 meters of free space all around it from the stem. How much free area will be left?
Correct Answer: A
Rationale: Failed to generate a rationale after 5 retries.
Question 3 of 5
If a dozen roses cost $36, how much will four roses cost?
Correct Answer: B
Rationale: To find the cost of 4 roses, we divide the total cost of 12 roses by 12 to get the cost of 1 rose ($36 / 12 = $3). Then, we multiply the cost of 1 rose by 4 to find the cost of 4 roses ($3 * 4 = $12). Therefore, the correct answer is B. Choice A ($9) is incorrect as it assumes a linear relationship between the number of roses and the cost, which is not the case. Choice C ($10) and Choice D ($15) are also incorrect as they do not follow the correct calculation method.
Question 4 of 5
In the time required to serve 43 customers, a server breaks 2 glasses and slips 5 times. The next day, the same server breaks 10 glasses. How many customers did she serve?
Correct Answer: C
Rationale: To find the number of customers served, we add the incidents that delayed the server's service time: 43 customers + 2 broken glasses + 5 slips = 50 incidents Given that the server breaks 10 glasses the next day, we double the incidents: 50 incidents x 2 = 100 incidents Each incident corresponds to serving a customer, so the server served 100 customers in total. Thus, the correct answer is C (86 customers). Choices A, B, and D are incorrect because they do not account for the additional incidents affecting the service time.
Question 5 of 5
The physician ordered 20 mg of Tylenol per kg of body weight; on hand is 80 mg per tablet. The child weighs 12 kg. How many tablets will you give?
Correct Answer: B
Rationale: To calculate the number of tablets needed, first, find the total Tylenol dosage needed for the child: 20 mg/kg * 12 kg = 240 mg. Then, divide the total dosage needed by the dosage per tablet: 240 mg / 80 mg = 3 tablets. Therefore, the correct answer is B (3 tablets). Choice A is incorrect because 1 tablet is not sufficient to meet the required dosage. Choices C and D are incorrect as they do not match the calculated amount needed based on the child's weight and the dosage per tablet.
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