April 11, 2026

Competitive Wisdom

Quadratic Equation MCQ for Class 10 – 50 Practice Questions with Answers & Explanations

Quadratic equations are one of the most important and scoring chapters in Class 10 Mathematics. To master this topic, students need regular practice, clear understanding of concepts, and exposure to different types of exam-oriented questions.

This Quadratic Equation MCQ mock test is specially created for Class 10 students who want to strengthen their fundamentals and improve their exam confidence. The questions are carefully aligned with the Class 10 syllabus, and designed in the MCQ pattern followed in board exams and competitive tests.

This helps students not only check their answers but also understand why a particular option is correct.

Take the Mock Test Now!

Whether you are preparing for:

This test follows the Multiple-Choice Question (MCQ) format, similar to what you will encounter in the actual entrance exams. It will help you:

  • School exams
  • Board exams
  • Scholarship or entrance tests

this quadratic equation MCQ practice set will help you revise effectively and avoid common mistakes.

1. 
Solve: 3x² − 15 = 0

2. 
What is the smaller root of x² − 5x + 6 = 0?

3. 
For which value of k does x² + kx + 9 = 0 have equal roots?

4. 
If one root of x² + 4x + p = 0 is 2, then p is:

5. 
The quadratic formula is:

6. 
Solve: x² = 16

7. 
The roots of the equation x² = 5x are:

8. 
For the equation x² + kx + 9 = 0 to have unequal real roots, k must satisfy:

9. 
If the sum of the roots of x² + ax + 8 = 0 is 6, then a is:

10. 
How many real roots does x² + 6x + 25 = 0 have?

11. 
Roots of x² + 1 = 0 are:

12. 
The value of k for which x² + kx + 16 = 0 has two real roots is:

13. 
For which value of k does x² + 2kx + 9 = 0 have equal roots?

14. 
The value of ‘a’ in quadratic equation ax² + 5x + 1 = 0 cannot be:

15. 
Which equation has no real roots?

16. 
Quadratic equation formed if roots are 3 and −5 is:

17. 
The product of roots of x² − 7x + 10 = 0 is:

18. 
If one root of x² − 5x + 6 = 0 is 2, the other root is:

19. 
Find the roots of x² − 9 = 0.

20. 
The product of the roots of x² − 8x + 15 = 0 is:

21. 
Nature of roots when discriminant is zero:

22. 
If D = 0 for ax² + bx + c = 0, then the roots are:

23. 
The value of discriminant for x² − 4x + 4 = 0 is:

24. 
The equation (x − 5)(x + 2) = 0 has roots:

25. 
If D < 0, roots are:

26. 
If roots of x² + 7x + 12 = 0 are α and β, then αβ is:

27. 
Roots of x² − 1 = 0 are:

28. 
The roots of x² − 10x + 24 = 0 are:

29. 
The sum of roots of x² + 6x + 5 = 0 is:

30. 
Roots of x(x − 4) = 0 are:

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