HESI A2 Mathematics 2024/2025 – 100% Verified Questions
with Expert Rationales for Guaranteed Success
Multiple-Choice Questions
Question 1: Convert 0.75 to a fraction in simplest form. A. 34
7
B. 10
75
C. 100
3
D. 5
Correct Answer: A. 34
75
Rationale: To convert 0.75 to a fraction, write it as 100 . Simplify by dividing
75÷25
numerator and denominator by their greatest common divisor, 25: 100÷25 = 34 .
Question 2: What is 15% of 240? A. 24
B. 36
C. 48
D. 60
Correct Answer: B. 36
Rationale: To find 15% of 240, multiply 240 by 0.15: 240×0.15 = 36. Alternatively,
calculate 10% (24) and 5% (12), then add: 24 + 12 = 36.
Question 3: Solve: 3x + 7 = 22. A. x = 5
B. x = 6
C. x = 7
D. x = 8
Correct Answer: A. x = 5
Rationale: Subtract 7 from both sides: 3x = 22 − 7 = 15. Divide by 3: x = 15
3
= 5.
Question 4: Convert 5/8 to a decimal. A. 0.625
B. 0.58
C. 0.675
D. 0.8
Correct Answer: A. 0.625
Rationale: Divide 5 by 8: 5 ÷ 8 = 0.625.
Question 5: A nurse administers 250 mL of fluid over 4 hours. What is the rate in mL per hour?
A. 50 mL/h
B. 62.5 mL/h
C. 75 mL/h
D. 100 mL/h
Correct Answer: B. 62.5 mL/h
Rationale: Divide total volume by time: 250 ÷ 4 = 62.5 mL/h.
Question 6: Add: 2 31 + 3 25 . A. 5 11
15
4
B. 5 15
7
C. 5 15
1
D. 6 15
7
Correct Answer: C. 5 15
Rationale: Convert to improper fractions: 73 + 17
5
. Use LCD (15): 35
15
+ 51
15
= 86
15
.
11 7
Convert to mixed number: 5 15 . Simplify: 5 15 .
1
, Question 7: What is the ratio of 18 to 24 in simplest form? A. 3:4
B. 6:8
C. 9:12
D. 18:24
Correct Answer: A. 3:4
Rationale: Divide both numbers by their GCD, 6: 18 ÷ 6 = 3, 24 ÷ 6 = 4. Ratio is
3:4.
Question 8: Solve: 4(x − 3) = 8. A. x = 2
B. x = 3
C. x = 4
D. x = 5
Correct Answer: D. x = 5
Rationale: Distribute: 4x − 12 = 8. Add 12: 4x = 20. Divide by 4: x = 5.
Question 9: Convert 2.5 hours to minutes. A. 120 minutes
B. 150 minutes
C. 180 minutes
D. 210 minutes
Correct Answer: B. 150 minutes
Rationale: Multiply hours by 60: 2.5 × 60 = 150 minutes.
Question 10: A patient requires 3 tablets, each containing 0.5 mg of medication. What is the
total dose in mg? A. 1 mg
B. 1.5 mg
C. 2 mg
D. 2.5 mg
Correct Answer: B. 1.5 mg
Rationale: Multiply tablets by dose per tablet: 3 × 0.5 = 1.5 mg.
Question 11: Subtract: 7.8 − 2.35. A. 5.45
B. 5.55
C. 5.65
D. 5.75
Correct Answer: A. 5.45
Rationale: Align decimals and subtract: 7.80 − 2.35 = 5.45.
Question 12: What is 20% of 150? A. 20
B. 30
C. 40
D. 50
Correct Answer: B. 30
Rationale: 20% of 150 = 0.20 × 150 = 30.
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Question 13: Simplify: 18 . A. 23
B. 34
C. 46
D. 69
Correct Answer: A. 23
12÷6
Rationale: Divide numerator and denominator by GCD, 6: 18÷6
= 23 .
2
with Expert Rationales for Guaranteed Success
Multiple-Choice Questions
Question 1: Convert 0.75 to a fraction in simplest form. A. 34
7
B. 10
75
C. 100
3
D. 5
Correct Answer: A. 34
75
Rationale: To convert 0.75 to a fraction, write it as 100 . Simplify by dividing
75÷25
numerator and denominator by their greatest common divisor, 25: 100÷25 = 34 .
Question 2: What is 15% of 240? A. 24
B. 36
C. 48
D. 60
Correct Answer: B. 36
Rationale: To find 15% of 240, multiply 240 by 0.15: 240×0.15 = 36. Alternatively,
calculate 10% (24) and 5% (12), then add: 24 + 12 = 36.
Question 3: Solve: 3x + 7 = 22. A. x = 5
B. x = 6
C. x = 7
D. x = 8
Correct Answer: A. x = 5
Rationale: Subtract 7 from both sides: 3x = 22 − 7 = 15. Divide by 3: x = 15
3
= 5.
Question 4: Convert 5/8 to a decimal. A. 0.625
B. 0.58
C. 0.675
D. 0.8
Correct Answer: A. 0.625
Rationale: Divide 5 by 8: 5 ÷ 8 = 0.625.
Question 5: A nurse administers 250 mL of fluid over 4 hours. What is the rate in mL per hour?
A. 50 mL/h
B. 62.5 mL/h
C. 75 mL/h
D. 100 mL/h
Correct Answer: B. 62.5 mL/h
Rationale: Divide total volume by time: 250 ÷ 4 = 62.5 mL/h.
Question 6: Add: 2 31 + 3 25 . A. 5 11
15
4
B. 5 15
7
C. 5 15
1
D. 6 15
7
Correct Answer: C. 5 15
Rationale: Convert to improper fractions: 73 + 17
5
. Use LCD (15): 35
15
+ 51
15
= 86
15
.
11 7
Convert to mixed number: 5 15 . Simplify: 5 15 .
1
, Question 7: What is the ratio of 18 to 24 in simplest form? A. 3:4
B. 6:8
C. 9:12
D. 18:24
Correct Answer: A. 3:4
Rationale: Divide both numbers by their GCD, 6: 18 ÷ 6 = 3, 24 ÷ 6 = 4. Ratio is
3:4.
Question 8: Solve: 4(x − 3) = 8. A. x = 2
B. x = 3
C. x = 4
D. x = 5
Correct Answer: D. x = 5
Rationale: Distribute: 4x − 12 = 8. Add 12: 4x = 20. Divide by 4: x = 5.
Question 9: Convert 2.5 hours to minutes. A. 120 minutes
B. 150 minutes
C. 180 minutes
D. 210 minutes
Correct Answer: B. 150 minutes
Rationale: Multiply hours by 60: 2.5 × 60 = 150 minutes.
Question 10: A patient requires 3 tablets, each containing 0.5 mg of medication. What is the
total dose in mg? A. 1 mg
B. 1.5 mg
C. 2 mg
D. 2.5 mg
Correct Answer: B. 1.5 mg
Rationale: Multiply tablets by dose per tablet: 3 × 0.5 = 1.5 mg.
Question 11: Subtract: 7.8 − 2.35. A. 5.45
B. 5.55
C. 5.65
D. 5.75
Correct Answer: A. 5.45
Rationale: Align decimals and subtract: 7.80 − 2.35 = 5.45.
Question 12: What is 20% of 150? A. 20
B. 30
C. 40
D. 50
Correct Answer: B. 30
Rationale: 20% of 150 = 0.20 × 150 = 30.
12
Question 13: Simplify: 18 . A. 23
B. 34
C. 46
D. 69
Correct Answer: A. 23
12÷6
Rationale: Divide numerator and denominator by GCD, 6: 18÷6
= 23 .
2
