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Why Aptitude Quadratic Equations is Required?

In this Aptitude section you can learn and practice Aptitude Questions with Answers based on "Quadratic Equations" to improve your skills in order to face written test by IT companies, interview and various entrance tests like Bank Exams, Railway Exams,ICET, GATE, CAT, GRE, MAT, etc.

Where can I get Aptitude Quadratic Equations Questions and Answers with Explanation?

AllIndiaExams provides you lots of fully solved Aptitude Quadratic Equations questions and answers with explanation. Fully solved examples with detailed answer description. All students, freshers can download Aptitude quiz questions with answers as PDF files and eBooks.

Where can I get objective type, multiple choice Aptitude Quadratic Equations Interview Questions and Answers?

Here you can find both objective type and Multiple Choice Aptitude Quadratic Equations questions and answers for interview and entrance examination. True or false type questions are also provided here. Practice these bits well to get success in interviews or entrance tests

How to solve these Aptitude Quadratic Equations problems?

You no need to worry, we have given lots of solved Aptitude Quadratic Equations questions with detailed explanation and also we have provided lots of short cut methods to quickly solve the questions within short time. So you can easily solve all kind of questions.

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Quadratic Equations - Aptitude Questions and Answers

This is aptitude questions and answers section on Quadratic Equations with explanation for various interview, competitive examinations and entrance tests. Quadratic Equations Aptitude Questions is one of the most favorite topic of candidates who are preparing for a competitive exam. We are providing a Quadratic Equations Quiz Set so that people can practice more to get good marks in the Quadratic Equation Online Test. In this article, we almost cover quadratic equations solved problems and sample Quadratic Equation Aptitude questions for practice. Intenders must read the provided article to get an idea.

Quadratic Equations Questions - Quadratic Equations Quiz Details

Online Test Name Quadratic Equations
Exam Type Multiple Choice Questions
Category Aptitude Quiz
Number of Questions 30


Practicing this Quadratic Equations Aptitude Quiz helps the individuals to speed up their performance at the time of facing the Quadratic Equations online exams. Furthermore, this Quadratic Equations Aptitude MCQ Online Test included in this post contains various types of questions. Preparing these questions will help the postulates in cracking the Quadratic Equations Aptitude Online Test quickly. To know furthermore info read an entire post.

Quadratic Equations Aptitude Questions

The quadratic Equations Aptitude Questions quiz helps the candidates to speed up themselves at the time of actual examination. And also, the candidates should have basic knowledge of the Quadratic Equations topics. Facing this Quadratic Equations Online Test candidates can rate among themselves. Based on the candidate performance people will get the score. So while attempting the Quadratic Equations Aptitude MCQ, please concentrate on the exam and also do rough work to analyze the answer.

Quadratic Equations Formula

1. The general quadratic equation is ax^{2}+bx+c=0.

Quadratic Equations MCQ Quiz Answers With Solutions

For contenders convenience, we have framed the Quadratic Equations MCQ Quiz in this article. Our team had collected the Quadratic Equations Aptitude Questions from various sources and also keeping in mind previous year question papers we made this article. At the bottom of the post, people can obtain the Quadratic Equations Aptitude Questions and Answers in the detailed description. Contenders if fail to check answer don't worry allindiaexams.in team members are here to help those students. By clicking on the View Answer button candidates can see their Answer with detailed explanation. And also if people want to do rough work, those competitors can do that in the Workspace which is given beside the View Answer.


1. Find the roots of the quadratic equation: x2 + 2x - 15 = 0?
  • A. -5, 3
  • B. 3, 5
  • C. -3, 5
  • D. -3, -5
  • E. 5, 2
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Answer & Explanation

Answer: Option A

Explanation:

x2 + 5x - 3x - 15 = 0
x(x + 5) - 3(x + 5) = 0
(x - 3)(x + 5) = 0
=> x = 3 or x = -5.

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2. Find the roots of the quadratic equation: 2x2 + 3x - 9 = 0?
  • A. 3, -3/2
  • B. 3/2, -3
  • C. -3/2, -3
  • D. 3/2, 3
  • E. 2/3, -3
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Answer & Explanation

Answer: Option B

Explanation:

2x2 + 6x - 3x - 9 = 0
2x(x + 3) - 3(x + 3) = 0
(x + 3)(2x - 3) = 0
=> x = -3 or x = 3/2.

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3. The roots of the equation 3x2 - 12x + 10 = 0 are?
  • A. rational and unequal
  • B. complex
  • C. real and equal
  • D. irrational and unequal
  • E. rational and equal
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Answer & Explanation

Answer: Option D

Explanation:

The discriminant of the quadratic equation is (-12)2 - 4(3)(10) i.e., 24. As this is positive but not a perfect square, the roots are irrational and unequal.

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4. If the roots of a quadratic equation are 20 and -7, then find the equation?
  • A. x2 + 13x - 140 = 0
  • B. x2 - 13x + 140 = 0
  • C. x2 - 13x - 140 = 0
  • D. x2 + 13x + 140 = 0
  • E. None of these
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Answer & Explanation

Answer: Option C

Explanation:

Any quadratic equation is of the form
x2 - (sum of the roots)x + (product of the roots) = 0 ---- (1)
where x is a real variable. As sum of the roots is 13 and product of the roots is -140, the quadratic equation with roots as 20 and -7 is: x2 - 13x - 140 = 0.

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5. The sum and the product of the roots of the quadratic equation x2 + 20x + 3 = 0 are?
  • A. 10, 3
  • B. -10, 3
  • C. 20, -3
  • D. -10, -3
  • E. None of these
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Answer & Explanation

Answer: Option E

Explanation:

Sum of the roots and the product of the roots are -20 and 3 respectively.

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