PassNova has 6 free 11+ Entrance Exam practice questions on Algebra, each with a clear explanation. Practise them in the browser with instant feedback — 100% free, no sign-up, on any device. Updated for 2026.
Sample questions
Algebra: example questions & answers
6 worked examples with answers and explanations below. Practise them in the browser with instant feedback on every answer.
If x + 5 = 12, what is x?
- A5
- B6
- C7✓
- D8
Answer: x = 12 - 5 = 7.
If 2x = 14, what is x?
- A5
- B6
- C7✓
- D8
Answer: x = 14 ÷ 2 = 7.
If 3x - 2 = 10, what is x?
- A2
- B3
- C4✓
- D5
Answer: 3x - 2 = 10 → 3x = 12 → x = 4.
If x/2 = 6, what is x?
- A10
- B11
- C12✓
- D13
Answer: x = 6 × 2 = 12.
If 5x + 3 = 18, what is x?
- A2
- B3✓
- C4
- D5
Answer: 5x + 3 = 18 → 5x = 15 → x = 3.
If 2x + 4 = 12, what is x?
- A2
- B3
- C4✓
- D5
Answer: Subtract 4 from each side: 2x + 4 = 12 becomes 2x = 8. Then divide each side by 2, which gives x = 4.