HESI A2 Math Practice Test 2023

Questions 54

HESI A2

HESI A2 Test Bank

HESI A2 Math Practice Test 2023 Questions

Question 1 of 5

The metric system of measurement was developed in France during Napoleon's reign. It is based on what multiplication factor?

Correct Answer: C

Rationale: The correct answer is C: 10. The metric system is based on multiples of 10, making conversions between units easy and logical. This factor allows for a systematic and uniform system of measurement, which is essential for scientific accuracy and global standardization. Choices A, B, and D are incorrect because the metric system is not based on the length of Napoleon's forearm, the number 2, or the atomic weight of helium. These options do not align with the foundational principles of the metric system, which is built on the decimal system for simplicity and consistency.

Question 2 of 5

What is 80% of 55?

Correct Answer: B

Rationale: To find 80% of 55, you multiply 55 by 0.8 (which is the decimal equivalent of 80%). So, 55 * 0.8 = 44. Therefore, the correct answer is B (44). Choice A (40) is incorrect as it represents 80% of 50, not 55. Choices C (39) and D (45) are also incorrect calculations.

Question 3 of 5

Convert 0.25 to a fraction.

Correct Answer: A

Rationale: To convert 0.25 to a fraction, recognize that 0.25 is equivalent to 25/100, which simplifies to 1/4 when both the numerator and denominator are divided by their greatest common factor, which is 25. Therefore, the correct answer is A: 1/4. Choice B (1/3) and Choice C (1/2) are incorrect because they do not equal 0.25. Choice D (3/4) is incorrect as it is the reverse of the correct answer.

Question 4 of 5

Solve for x: 5x + 10 = 20.

Correct Answer: A

Rationale: To solve the equation 5x + 10 = 20, first subtract 10 from both sides to isolate the variable: 5x = 10. Then, divide by 5 on both sides to solve for x: x = 2. Therefore, the correct answer is A (4) because x = 2 satisfies the original equation. Choices B, C, and D are incorrect as they do not yield a solution that satisfies the equation.

Question 5 of 5

Add 2\3 + 1\6 + 2\5.

Correct Answer: A

Rationale: To add fractions, we need a common denominator, which for 3, 6, and 5 is 30. So, we rewrite the fractions with a denominator of 30: 20/30 + 5/30 + 12/30 = 37/30. Simplifying 37/30 as 1 & 7/30 gives us the correct answer, choice A. The other choices are incorrect because they do not reflect the accurate sum of the fractions. Choice B is incorrect as it simplifies to 1 & 1/15, not 1 & 7/30. Choice C simplifies to 2/5, which is not the sum of the given fractions. Choice D simplifies to 3/4, which is also not the sum of the fractions provided.

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