HESI A2 EXAM 2026/2027
100 Practice Questions — Correct Answers & Rationales
MATHEMATICS
1. What is 3/4 + 2/3?
A. 5/7
B. 13/12
C. 17/12
D. 19/12
Correct Answer: C. 17/12
Rationale: The least common denominator is 12.
3/4 = 9/12 and 2/3 = 8/12. Therefore, 9/12 + 8/12 = 17/12.
2. Convert 0.375 to a fraction in simplest form.
A. 1/4
B. 3/8
C. 5/8
D. 7/16
Correct Answer: B. 3/8
Rationale: 0.375 = 375/1000. Dividing numerator and denominator by 125 gives 3/8.
3. What is 25% of 240?
A. 40
B. 50
C. 60
D. 75
Correct Answer: C. 60
Rationale: 25% = 0.25.
240 × 0.25 = 60.
,4. A patient weighs 154 lb. What is the approximate weight in kilograms?
A. 60 kg
B. 70 kg
C. 77 kg
D. 84 kg
Correct Answer: B. 70 kg
Rationale: Use 1 kg ≈ 2.2 lb.
154 ÷ 2.2 = 70 kg.
5. Convert 2.5 liters to milliliters.
A. 25 mL
B. 250 mL
C. 2,500 mL
D. 25,000 mL
Correct Answer: C. 2,500 mL
Rationale: 1 L = 1,000 mL. Therefore, 2.5 × 1,000 = 2,500 mL.
6. What is 7.2 ÷ 0.6?
A. 1.2
B. 6
C. 12
D. 120
Correct Answer: C. 12
Rationale: 7.2 ÷ 0.6 = 12.
7. A ratio is 3:5. If the first quantity is 18, what is the second quantity?
A. 24
B. 27
, C. 30
D. 36
Correct Answer: C. 30
Rationale: 3/5 = 18/x. Cross-multiplication gives 3x = 90, so x = 30.
8. Convert 5/8 to a decimal.
A. 0.525
B. 0.625
C. 0.675
D. 0.825
Correct Answer: B. 0.625
Rationale: 5 ÷ 8 = 0.625.
9. A medication order requires 500 mg. Tablets contain 250 mg each. How many tablets are
required?
A. 1/2 tablet
B. 1 tablet
C. 2 tablets
D. 4 tablets
Correct Answer: C. 2 tablets
Rationale: 500 mg ÷ 250 mg/tablet = 2 tablets.
10. What is 15% of 80?
A. 8
B. 10
C. 12
D. 15
Correct Answer: C. 12
Rationale: 80 × 0.15 = 12.
100 Practice Questions — Correct Answers & Rationales
MATHEMATICS
1. What is 3/4 + 2/3?
A. 5/7
B. 13/12
C. 17/12
D. 19/12
Correct Answer: C. 17/12
Rationale: The least common denominator is 12.
3/4 = 9/12 and 2/3 = 8/12. Therefore, 9/12 + 8/12 = 17/12.
2. Convert 0.375 to a fraction in simplest form.
A. 1/4
B. 3/8
C. 5/8
D. 7/16
Correct Answer: B. 3/8
Rationale: 0.375 = 375/1000. Dividing numerator and denominator by 125 gives 3/8.
3. What is 25% of 240?
A. 40
B. 50
C. 60
D. 75
Correct Answer: C. 60
Rationale: 25% = 0.25.
240 × 0.25 = 60.
,4. A patient weighs 154 lb. What is the approximate weight in kilograms?
A. 60 kg
B. 70 kg
C. 77 kg
D. 84 kg
Correct Answer: B. 70 kg
Rationale: Use 1 kg ≈ 2.2 lb.
154 ÷ 2.2 = 70 kg.
5. Convert 2.5 liters to milliliters.
A. 25 mL
B. 250 mL
C. 2,500 mL
D. 25,000 mL
Correct Answer: C. 2,500 mL
Rationale: 1 L = 1,000 mL. Therefore, 2.5 × 1,000 = 2,500 mL.
6. What is 7.2 ÷ 0.6?
A. 1.2
B. 6
C. 12
D. 120
Correct Answer: C. 12
Rationale: 7.2 ÷ 0.6 = 12.
7. A ratio is 3:5. If the first quantity is 18, what is the second quantity?
A. 24
B. 27
, C. 30
D. 36
Correct Answer: C. 30
Rationale: 3/5 = 18/x. Cross-multiplication gives 3x = 90, so x = 30.
8. Convert 5/8 to a decimal.
A. 0.525
B. 0.625
C. 0.675
D. 0.825
Correct Answer: B. 0.625
Rationale: 5 ÷ 8 = 0.625.
9. A medication order requires 500 mg. Tablets contain 250 mg each. How many tablets are
required?
A. 1/2 tablet
B. 1 tablet
C. 2 tablets
D. 4 tablets
Correct Answer: C. 2 tablets
Rationale: 500 mg ÷ 250 mg/tablet = 2 tablets.
10. What is 15% of 80?
A. 8
B. 10
C. 12
D. 15
Correct Answer: C. 12
Rationale: 80 × 0.15 = 12.
