Refer to CBSE Class 10 Mathematics Quadratic Equations MCQs provided below. CBSE Class 10 Mathematics MCQs with answers available in Pdf for free download. The MCQ Questions for Class 10 Mathematics with answers have been prepared as per the latest syllabus, CBSE books and examination pattern suggested in Class 10 by CBSE, NCERT and KVS. Multiple Choice Questions for Chapter 4 Quadratic Equations are an important part of exams for Class 10 Mathematics and if practiced properly can help you to get higher marks. Refer to more Chapter-wise MCQs for CBSE Class 10 Mathematics and also download more latest study material for all subjects
MCQ for Class 10 Mathematics Chapter 4 Quadratic Equations
Class 10 Mathematics students should refer to the following multiple-choice questions with answers for Chapter 4 Quadratic Equations in Class 10. These MCQ questions with answers for Class 10 Mathematics will come in exams and help you to score good marks
Chapter 4 Quadratic Equations MCQ Questions Class 10 Mathematics with Answers
Question. The roots of the equation x2 + 7x + 10 =0 are
(a) 2 and 5
(b) –2 and 5
(c) –2 and –5
(d) 2 and –5
Question. If α,β are the roots of the quadratic equation x2 + x + 1 = 0, then 1/α + 1/β
(a) 0
(b) 1
(c) –1
(d) none of these
Question. If the equation x2 + 4x + k = 0 has real and distinct roots then
(a) k < 4
(b) k > 4
(c) k ≤ 4
(d) k ≥ 4
Question. If the equation x2 – ax + 1 = 0 has two distinct roots then
(a) | a | = 2
(b) | a | < 2
(c) | a | > 2
(d) none of these
Question. If the equation 9x2 + 6kx + 4 = 0 has equal roots then the roots are both equal to
(a) ± 2/3
(b) ± 3/2
(c) 0
(d) ± 3
Question. If the equation (a2 + b2)x2 – 2b(a + c)x + b2 + c2 = 0 has equal roots then
(a) 2b = a + c
(b) b2 = ac
(c) b = 2ac/a+c
(d) b = ac
Question. If the equation x2 – bx + 1 = 0 has two distinct roots then
(a) –3 < b < 3
(b) –2 < b < 2
(c) b > 2
(d) b < –2
Question. If x = 1 is a common root of the equations ax2 + ax + 3 = 0 and x2 + x + b = 0 then ab =
(a) 6
(b) 3
(c) –3
(d) 7/2
Question. If p and q are the roots of the equation x2 – px + q = 0, then
(a) p = 1, q = –2
(b) p = –2, q = 0
(c) b = 0, q = 1
(d) p = –2, q = 1
Question. If the equation ax2 + bx + c = 0 has equal roots then c =
(a) -b/2a
(b) b/2a
(c) -b2/4a
(d) b24a
Question. If a and b can take values 1, 2, 3, 4. Then the number of the equations of the form ax2+ bx + c = 0 having real roots is
(a) 6
(b) 7
(c) 10
(d) 12
Question. The number of quadratic equations having real roots and which do not change by squaring their roots is
(a) 4
(b) 3
(c) 2
(d) 1
Question. If one of the roots of the quadratic equation (k2 + 4)x2 + 13x + 4k is reciprocal of the other then k =
(a) 2
(b) 1
(c) –1
(d) – 2
Question. If α,β are the roots of the quadratic equation x2 – p(x + 1) – c = 0, then (α+1 )(β+1) =
(a) c – 1
(b) 1 – c
(c) c
(d) 1 + c
Question. Find the values of k for which the quadratic equation 2x2 + kx + 3 = 0 has real equal roots.
(a) ±2 √6
(b) 2√ 6
(c) 0
(d) ±2
Question. Find the values of k for which the quadratic equation kx(x – 3) + 9 = 0 has real equal roots.
(a) k = 0 or k = 4
(b) k = 1 or k = 4
(c) k = –3 or k = 3
(d) k = –4 or k = 4
Question. Find the values of k for which the quadratic equation 4x2 – 3kx + 1 = 0 has real and equal roots.
(a) ±4/3
(b) ±2/3
(c) ±2
(d) none of these
Question. Find the values of k for which the quadratic equation (k – 12)x2 + 2(k – 12)x + 2 = 0 has real and equal roots.
(a) k = 0 or k = 14
(b) k = 12 or k = 24
(c) k = 14 or k = 12
(d) k = 1 or k = 12
Question. Find the values of k for which the quadratic equation k2x2 – 2(k – 1)x + 4 = 0 has real and equal roots.
(a) k = 0 or k = 1/3
(b) k = 1 or k = 1/3
(c) k = –1 or k = 1/3
(d) k = –3 or k = 1/3
Question. If –4 is a root of the equation x2 + px – 4 = 0 and the equation x2 + px + q = 0 has equal roots, find the value of p and q.
(a) p =3, q = 9
(b) p =9, q = 3
(c) p = 3, q = 4/9
(d) p = 3, q = 9/4
Question. If the roots of the equation (a – b)x2 + (b – c)x + (c – a) = 0 are equal, then b + c =
(a) 2a
(b) 2bc
(c) 2c
(d) none of these
Question. Find the positive value of k for which the equations x2 + kx + 64 = 0 and x2 – 8x + k = 0 will have real roots.
(a) 8
(b) 16
(c) –8
(d) –16
Question. The sum of a number and its reciprocal is 10/3. Find the number.
(a) 3
(b) 1/3
(c) both (a) and (c)
(d) none of these
Question. Divide 12 into two parts such that the sum of their squares is 74.
(a) 7 and 5
(b) 8 and 4
(c) 10 and 2
(d) none of these
Question. The sum of the squares of two consecutive natural numbers is 421. Find the numbers.
(a) 14 and 5
(b) 14 and 15
(c) 10 and 5
(d) none of these
Question. The sum of two numbers is 15 and the sum of their reciprocals is 3/10. Find the numbers.
(a) 14 and 5
(b) 14 and 15
(c) 10 and 5
(d) none of these
Question. Divide 12 into two parts such that their product is 32.
(a) 7 and 5
(b) 8 and 4
(c) 10 and 2
(d) none of these
Question. The value of k for which equation 9x2 + 8xk + 8 = 0 has equal roots is:
(a) only 3
(b) only –3
(c) ±3
(d) 9
Question. Which of the following is not a quadratic equation?
(a) x-3/x = 4
(b) 3x-5/x = x2
(c) x = 3/2
(d) x = –3
Question. Which of the following is a solution of the quadratic equation 2x2 + x – 6 = 0?
(a) x = 2
(b) x = –12
(c) x = 3/2
(d) x = –3
Question. The value of k for which x = –2 is a root of the quadratic equation kx2 + x – 6 = 0
(a) –1
(b) –2
(c) 2
(d) -3/2
Question. The value of p so that the quadratics equation x2 + 5px + 16 = 0 has no real root, is
(a) p>8
(b) p<5
(c) -8/5<x< 8/5
(d) -8/5 ≤x< = 0
Question. If px2 + 3 w + q = 0 has two roots x = –1 and x = –2, the value of q – p is
(a) –1
(b) –2
(c) 1
(d) 2
Question. The common root of the quadratic equation x2 – 3x + 2 = 0 and 2x2 – 5x + 2 = 0 is:
(a) x = 2
(b) x = –2
(c) x = 1/2
(d) x = 1
Question. If x2 – 5x + 1 = 0, the value of (x+1/x) is:
(a) –5
(b) –2
(c) 5
(d) 3
Question. If a – 3 = 10/a , the value of a are
(a) –5, 2
(b) 5, –2
(c) 5, 2
(d) 5, 0
Question. If the roots of the quadratic equation kx2 + (a + b)x + ab = 0 are (–1, –b), the value of k is:
(a) –1
(b) –2
(c) 1
(d) 2
Question. The quadratic equation with real coefficient whose one root is 2+ √ 3 is:
(a) x2 – 2x + 1 = 0
(b) x2 – 4x + 1 = 0
(c) x2 – 4x + 3 = 0
(d) x2 – 4x + 4 = 0
Question. If the difference of roots of the quadratic equation x2 + kx + 12 = 0 is 1, the positive value of k is:
(a) –7
(b) 7
(c) 4
(d) 8
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CBSE Class 10 Mathematics Chapter 4 Quadratic Equations MCQs
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MCQs for Mathematics CBSE Class 10 Chapter 4 Quadratic Equations
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Chapter 4 Quadratic Equations MCQs Mathematics CBSE Class 10
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Chapter 4 Quadratic Equations CBSE Class 10 MCQs Mathematics
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CBSE MCQs Mathematics Class 10 Chapter 4 Quadratic Equations
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