HESI A2
HESI A2 Practice Test Math Questions
Question 1 of 5
What is the result of adding 1/2 + 4/5?
Correct Answer: A
Rationale: To add 1/2 + 4/5, we need a common denominator, which is 10 in this case. 1/2 becomes 5/10 and 4/5 remains as 4/5. Adding them gives 9/10. Converting 9/10 to a mixed number, we get 1 3/10, which is choice A. Choices B, C, and D are incorrect as they do not correctly represent the sum of the fractions.
Question 2 of 5
Change 1/6 to a percent.
Correct Answer: A
Rationale: To change 1/6 to a percent, first divide 1 by 6 to get 0.1667. Then, multiply by 100 to convert it to a percentage, which equals 16.67%. Choice A is correct because it accurately represents the conversion. Choices B, C, and D are incorrect as they do not reflect the accurate calculation for converting 1/6 to a percentage.
Question 3 of 5
If 30% of a given number is 18, what is the full number?
Correct Answer: A
Rationale: To find the full number, we can set up the equation: 0.30x = 18, where x is the full number. Solving for x, we get x = 18 / 0.30 = 60. Therefore, the correct answer is A (60). Choice B (30): 0.30 of 30 is 9, not 18. Choice C (40): 0.30 of 40 is 12, not 18. Choice D (45): 0.30 of 45 is 13.5, not 18.
Question 4 of 5
A label states 1 mil contains 500 mg. How many mils are there if there are 1.5 grams?
Correct Answer: C
Rationale: To calculate the number of mils in 1.5 grams, we first convert 1.5 grams to milligrams: 1.5g * 1000mg/g = 1500mg. Then, we divide 1500mg by the amount in 1 mil (500mg/mil) to get 3 mils. Choice C is correct. Choices A, B, and D are incorrect because they do not follow the correct conversion process. Choice A (9 mils) results from dividing 1500mg by 500mg, which is incorrect. Choice B (2 mils) and Choice D (5 mils) also do not yield the correct answer when dividing 1500mg by 500mg.
Question 5 of 5
30 1/2 - 13 3/4 = ?
Correct Answer: A
Rationale: To subtract mixed numbers, first convert them to improper fractions. 30 1/2 = 61/2, and 13 3/4 = 55/4. Then subtract: 61/2 - 55/4 = 122/4 - 55/4 = 67/4 = 16 3/4 (A). Choices B, C, and D are incorrect because they do not represent the correct result of the subtraction calculation.
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