GMAT FOCUS EDITION COMPREHENSIVE
STUDY GUIDE 2026–2027 With Practice
Questions, Data Insights Review & MBA
Admission Success
Question 1
If 3x + 7 = 22, what is the value of x?
A. 3
B. 5
C. 7
D. 9
E. 15
Correct Answer: B
Rationale: Solve the equation: 3x + 7 = 22 → 3x = 15 → x = 5. Option A (3)
gives 3(3)+7=16, which is not 22. Option C (7) gives 3(7)+7=28. Option D (9)
gives 3(9)+7=34. Option E (15) gives 3(15)+7=52.
Question 2
What is 15% of 240?
A. 24
B. 30
C. 36
D. 40
E. 48
Correct Answer: C
,Rationale: 15% of 240 = 0.15 × 240 = 36. Option A (24) is 10% of 240. Option
B (30) is 12.5% of 240. Option D (40) is 16.67% of 240. Option E (48) is 20% of
240.
Question 3
A store offers a 20% discount on a $120 item. What is the sale price?
A. $24
**B.** $60
C. $96
**D.** $100
E. $108
Correct Answer: C
Rationale: Discount = 20% of $120 = $24. Sale price = $120 - $24 = $96.
**Option A** ($24) is the discount amount, not the sale price. Option B ($60) is
50% off. **Option D** ($100) is a 16.67% discount. Option E ($108) is a 10%
discount.
Question 4
What is the greatest common factor (GCF) of 48 and 72?
A. 8
B. 12
C. 16
D. 24
E. 36
Correct Answer: D
Rationale: Factors of 48: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48. Factors of 72: 1, 2, 3, 4, 6,
8, 9, 12, 18, 24, 36, 72. The greatest common factor is 24. Option A (8) is a
common factor but not the greatest. Option B (12) is a common factor but not the
greatest. Option C (16) is not a factor of 72. Option E (36) is not a factor of 48.
,Question 5
What is the least common multiple (LCM) of 12 and 18?
A. 24
B. 30
C. 36
D. 48
E. 60
Correct Answer: C
Rationale: Multiples of 12: 12, 24, 36, 48, 60... Multiples of 18: 18, 36, 54, 72...
The least common multiple is 36. Option A (24) is a multiple of 12 but not
18. Option B (30) is not a multiple of 12 or 18. Option D (48) is a multiple of 12
but not 18. Option E (60) is a multiple of 12 but not 18.
Question 6
If a = 3 and b = 4, what is the value of a² + b²?
A. 7
B. 12
C. 16
D. 25
E. 49
Correct Answer: D
Rationale: a² + b² = 3² + 4² = 9 + 16 = 25. Option A (7) is a + b. Option B (12) is
3 × 4. Option C (16) is b² only. Option E (49) is (a + b)².
Question 7
What is the value of √(144) + √(64)?
, A. 8
B. 12
C. 16
D. 20
E. 24
Correct Answer: D
Rationale: √144 = 12, √64 = 8. 12 + 8 = 20. Option A (8) is √64 only. Option
B (12) is √144 only. Option C (16) is 12 + 4. Option E (24) is 12 × 2.
Question 8
What is 2⁵ × 2³?
A. 2⁸
B. 2¹⁵
C. 4⁸
D. 8⁸
E. 16⁸
Correct Answer: A
Rationale: When multiplying powers with the same base, add the exponents: 2⁵ ×
2³ = 2^(5+3) = 2⁸. Option B (2¹⁵) is 2^5 × 2^3 incorrectly multiplied
exponents. Option C (4⁸) is not simplified correctly. Option D (8⁸) is not
simplified correctly. Option E (16⁸) is not simplified correctly.
Question 9
What is 0.04 as a fraction?
A. 1/25
B. 1/20
C. 1/10
D. 1/5
E. 2/5
STUDY GUIDE 2026–2027 With Practice
Questions, Data Insights Review & MBA
Admission Success
Question 1
If 3x + 7 = 22, what is the value of x?
A. 3
B. 5
C. 7
D. 9
E. 15
Correct Answer: B
Rationale: Solve the equation: 3x + 7 = 22 → 3x = 15 → x = 5. Option A (3)
gives 3(3)+7=16, which is not 22. Option C (7) gives 3(7)+7=28. Option D (9)
gives 3(9)+7=34. Option E (15) gives 3(15)+7=52.
Question 2
What is 15% of 240?
A. 24
B. 30
C. 36
D. 40
E. 48
Correct Answer: C
,Rationale: 15% of 240 = 0.15 × 240 = 36. Option A (24) is 10% of 240. Option
B (30) is 12.5% of 240. Option D (40) is 16.67% of 240. Option E (48) is 20% of
240.
Question 3
A store offers a 20% discount on a $120 item. What is the sale price?
A. $24
**B.** $60
C. $96
**D.** $100
E. $108
Correct Answer: C
Rationale: Discount = 20% of $120 = $24. Sale price = $120 - $24 = $96.
**Option A** ($24) is the discount amount, not the sale price. Option B ($60) is
50% off. **Option D** ($100) is a 16.67% discount. Option E ($108) is a 10%
discount.
Question 4
What is the greatest common factor (GCF) of 48 and 72?
A. 8
B. 12
C. 16
D. 24
E. 36
Correct Answer: D
Rationale: Factors of 48: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48. Factors of 72: 1, 2, 3, 4, 6,
8, 9, 12, 18, 24, 36, 72. The greatest common factor is 24. Option A (8) is a
common factor but not the greatest. Option B (12) is a common factor but not the
greatest. Option C (16) is not a factor of 72. Option E (36) is not a factor of 48.
,Question 5
What is the least common multiple (LCM) of 12 and 18?
A. 24
B. 30
C. 36
D. 48
E. 60
Correct Answer: C
Rationale: Multiples of 12: 12, 24, 36, 48, 60... Multiples of 18: 18, 36, 54, 72...
The least common multiple is 36. Option A (24) is a multiple of 12 but not
18. Option B (30) is not a multiple of 12 or 18. Option D (48) is a multiple of 12
but not 18. Option E (60) is a multiple of 12 but not 18.
Question 6
If a = 3 and b = 4, what is the value of a² + b²?
A. 7
B. 12
C. 16
D. 25
E. 49
Correct Answer: D
Rationale: a² + b² = 3² + 4² = 9 + 16 = 25. Option A (7) is a + b. Option B (12) is
3 × 4. Option C (16) is b² only. Option E (49) is (a + b)².
Question 7
What is the value of √(144) + √(64)?
, A. 8
B. 12
C. 16
D. 20
E. 24
Correct Answer: D
Rationale: √144 = 12, √64 = 8. 12 + 8 = 20. Option A (8) is √64 only. Option
B (12) is √144 only. Option C (16) is 12 + 4. Option E (24) is 12 × 2.
Question 8
What is 2⁵ × 2³?
A. 2⁸
B. 2¹⁵
C. 4⁸
D. 8⁸
E. 16⁸
Correct Answer: A
Rationale: When multiplying powers with the same base, add the exponents: 2⁵ ×
2³ = 2^(5+3) = 2⁸. Option B (2¹⁵) is 2^5 × 2^3 incorrectly multiplied
exponents. Option C (4⁸) is not simplified correctly. Option D (8⁸) is not
simplified correctly. Option E (16⁸) is not simplified correctly.
Question 9
What is 0.04 as a fraction?
A. 1/25
B. 1/20
C. 1/10
D. 1/5
E. 2/5
