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# Important MCQ Questions for Class 10 Maths Chapter 4 Quadratic Equations

Hi students, Welcome to AMBiPi (Amans Maths Blogs). In this article, you will get Important MCQ Questions for Class 10 Maths Chapter 4 Quadratic Equations. You can download this PDF and save it in your mobile device or laptop etc.

Important MCQ Questions of Quadratic Equations Class 10 Question No 21:

If the sum of the roots of x2 + 5kx – 7 = 0 is 10, then

Option A : k = -2

Option B : k = 5

Option C : k = 10

Option D : k = -5

Option A : k = -2

Important MCQ Questions of Quadratic Equations Class 10 Question No 22:

If the product of the roots of kx2 + 3x – 8 = 0 is -4, then

Option A : k = -2

Option B : k = 8

Option C : k = 2

Option D : k = -7

Option C : k = 2

Important MCQ Questions of Quadratic Equations Class 10 Question No 23:

If one of the roots of 5×2 + 13x + k = 0 is reciprocal of other, then

Option A : k = 0

Option B : k = 5

Option C : k = 6

Option D : k = 1/6

Option B : k = 5

Important MCQ Questions of Quadratic Equations Class 10 Question No 24:

The value of k for which the equation x2 – 3kx + 9k = 0 has equal roots is

Option A : k = 0

Option B : k = -4

Option C : k = 0, 4

Option D : k = 0, -4

Option C : k = 0, 4

Important MCQ Questions of Quadratic Equations Class 10 Question No 25:

If the equation x2 + (k + 5)x + 9k = 0 has repeated roots, then the values of k are

Option A : 3, -2

Option B : 25, 1

Option C : -3, 2

Option D : -5, 7

Option B : 25, 1

Important MCQ Questions of Quadratic Equations Class 10 Question No 26:

The value of k for which equation x2 + 4kx + 16 = 0 has different roots is

Option A : k ≤ -2, k ≥ 2

Option B : -2 k ≤ 2

Option C : k < -2, k > 2

Option D : -2 < k < 2

Option C : k < -2, k > 2

Important MCQ Questions of Quadratic Equations Class 10 Question No 27:

The value of k for which equation 2x2 – √3x + 3k = 0 has real roots is

Option A : k ≤ 1/8

Option B : k < 1/8

Option C : k ≥ 1/8

Option D : k > 1/8

Option A : k ≤ 1/8

Important MCQ Questions of Quadratic Equations Class 10 Question No 28:

The value of k for which equation x2 + √2kx + 5 = 0 has no real roots is

Option A : k < √10

Option B : –√10 < k < √10

Option C : k < –√10,  k > √10

Option D : k > √10

Option B : √10 < k < √10

Important MCQ Questions of Quadratic Equations Class 10 Question No 29:

The value of k for which equation kx2 = 2 + 3x has two real roots is

Option A : k < -9/8

Option B : k ≤ -9/8

Option C : k > -9/8

Option D : k ≥ -9/8

Option D : -9/8

Important MCQ Questions of Quadratic Equations Class 10 Question No 30:

If the roots of ax2 + bx + c = 0 are in the ratio m : n, then

Option A : mna² = (m + n) c²

Option B : mnb² = (m + n) ac

Option C : mnb² = (m + n)² ac

Option D : mnb² = (m – n)² ac

Option C : mnb² = (m + n)² ac

CBSE Class 10 Maths Chapterwise MCQs
1 : Real Numbers MCQ
| 1 to 10 | 11 to 20 | 21 to 30 | 31 to 40 | 41 to 50
2 : Polynomials MCQ
| 1 to 10 | 11 to 20 | 21 to 30 | 31 to 40 | 41 to 50
3 : Linear Equations MCQ
| 1 to 10 | 11 to 20 | 21 to 30 | 31 to 40 | 41 to 50
| 1 to 10 | 11 to 20 | 21 to 30 | 31 to 40 | 41 to 50
5 : Arithmetic Progression MCQ
| 1 to 10 | 11 to 20 | 21 to 30 | 31 to 40 | 41 to 50
6 : Triangles MCQ
| 1 to 10 | 11 to 20 | 21 to 30 | 31 to 40 | 41 to 50
7 : Coordinate Geometry MCQ
| 1 to 10 | 11 to 20 | 21 to 30 | 31 to 40 | 41 to 50
8 : Introduction to Trigonometry MCQ
| 1 to 10 | 11 to 20 | 21 to 30 | 31 to 40 | 41 to 50
9 : Application of Trigonometry MCQ
| 1 to 10 | 11 to 20 | 21 to 30 | 31 to 40 | 41 to 50
10 : Circles MCQ
| 1 to 10 | 11 to 20 | 21 to 30 | 31 to 40 | 41 to 50
11 : Constructions MCQ
| 1 to 10 | 11 to 20
12 : Area Related to Circles MCQ
| 1 to 10 | 11 to 20 | 21 to 30 | 31 to 40 | 41 to 50
13 : Surface Area & Volume MCQ
| 1 to 10 | 11 to 20 | 21 to 30 | 31 to 40 | 41 to 50
14 : Statistics MCQ
| 1 to 10 | 11 to 20 | 21 to 30 | 31 to 40 | 41 to 50
15 : Probability MCQ
| 1 to 10 | 11 to 20 | 21 to 30 | 31 to 40 | 41 to 50
16 : Previous Year Maths MCQs from CBSE Board Class 10
| 1 to 100
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