CBSE Class 10 Mathematics Chapter 4 Quadratic Equations Multiple Choice Questions with Answers. MCQ Questions Class 10 Mathematics Quadratic Equations with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 10 Mathematics Quadratic Equations MCQs with Answers to know their preparation level.
Multiple Choice Questions - Set - 4
Question 1:
The quadratic equation has degree
(a) 0
(b) 1
(c) 2
(d) 3
Correct Answer – (C)
Question 2 :
Which of the following are the roots of the quadratic equation, x2 – 9x + 20 = 0 by factorisation?
(a) 3, 4
(b) 4, 5
(c) 5, 6
(d) 6, 7
Correct Answer – (B)
Question 3 :
Value(s) of k for which the quadratic equation 2x2 -kx + k = 0 has equal roots is
(a) 0
(b) 4
(c) 8
(d) 0 and 8
Correct Answer – (D)
Question 4 :
he two consecutive odd positive integers, sum of whose squares is 290 are
(a) 13, 15
(b) 11, 13
(c) 7, 9
(d) 5, 7
Correct Answer – (B)
Question 5 :
Reduction of a rupee in the price of onion makes the possibility of buying one more kg of onion for Rs.56. Find the original price of the onion per kg?
(a) 7
(b) 1
(c) 7, -8
(d) 8
Correct Answer – (D)
Question 6 :
If -5 is a root of the quadratic equation 2x2 + px – 15 = 0, then
(a) p = 3
(b) p = 5
(c) p = 7
(d) p = 1
Correct Answer – (C)
Question 7 :
Find the two consecutive odd positive integers, sum of whose square is 290
(a) 15, 17
(b) 9, 11
(c) 13, 15
(d) 11, 13
Correct Answer – (D)
Question 8 :
The equation (x – 2)2 + 1 = 2x – 3 is a
(a) linear equation
(b) quadratic equation
(c) cubic equation
(d) bi-quadratic equation
Correct Answer – (B)
Question 9 :
The value of b2 – 4ac for equation 3x2 – 7x – 2 = 0 is
(a) 49
(b) 0
(c) 25
(d) 73
Correct Answer – (D)
Question 10 :
Two candidates attempt to solve a quadratic equation of the form x2 + px + q = 0. One starts with a wrong value of p and finds the roots to be 2 and 6. The other starts with a wrong value of q and finds the roots to be 2 and – 9. Find the correct roots of the equation :
(a) 3, 4
(b) – 3, – 4
(c) 3, – 4
(d) – 3, 4
