HESI A2
HESI A2 Math Questions
Question 1 of 5
What is the perimeter of a square with a side length of 5 meters?
Correct Answer: B
Rationale: To find the perimeter of a square, you add up all the sides. Since a square has four equal sides, the perimeter is the side length multiplied by 4. In this case, the side length is 5 meters, so the perimeter would be 5 * 4 = 20 meters. Therefore, choice B (20 meters) is correct. Choice A (15 meters) is incorrect because it is the result of adding the side length once instead of multiplying by 4. Choice C (25 meters) and choice D (30 meters) are incorrect as they are the results of adding or multiplying incorrectly.
Question 2 of 5
Convert 5 3/4 to a decimal. Round it to the nearest tenth.
Correct Answer: D
Rationale: To convert 5 3/4 to a decimal, first convert the mixed number to an improper fraction: 5 * 4 + 3 / 4 = 23/4. Next, divide the numerator by the denominator: 23 ÷ 4 = 5.75. Since we are rounding to the nearest tenth, the answer is 5.8. Choice D (5.8) is correct because it correctly converts 5 3/4 to a decimal and rounds it to the nearest tenth. Choices A, B, and C are incorrect as they do not accurately represent the decimal equivalent of 5 3/4 when rounded to the nearest tenth.
Question 3 of 5
A school has 500 students, and 60% of them are girls. How many girls are there in the school?
Correct Answer: B
Rationale: To find the number of girls in the school, we first calculate 60% of 500 students: 60/100 * 500 = 0.6 * 500 = 300 girls. Therefore, the correct answer is B: 300 girls. Choice A (250 girls) is incorrect as it represents 50%, not 60%. Choices C (200 girls) and D (350 girls) are also incorrect as they do not reflect the correct calculation of 60% of the total students.
Question 4 of 5
If an investment earns 5% interest annually, how much interest will it earn in 1 year on a principal of $1,000?
Correct Answer: B
Rationale: To calculate the interest earned on a principal of $1,000 with a 5% annual interest rate, you multiply the principal by the interest rate: $1,000 x 0.05 = $50. Therefore, the correct answer is B, $50. Choice A is incorrect as it miscalculates the interest. Choice C overestimates the interest earned. Choice D is close, but $55 is not the correct calculation based on the given information.
Question 5 of 5
If a recipe calls for 2 cups of sugar and you want to make half of the recipe, how many cups of sugar do you need?
Correct Answer: A
Rationale: To make half of the recipe, you need to divide the original amount of sugar by 2. 2 cups of sugar divided by 2 equals 1 cup. Therefore, the correct answer is A: 1 cup. Choice B (1.5 cups) is incorrect because it is not half of 2 cups. Choice C (2 cups) is the original amount and not for making half the recipe. Choice D (0.5 cups) is also incorrect as it is not the correct amount for half of the original recipe.
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