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IIFT Number System — practice questions — page 4

Explore 104 free Number System questions in IIFT Quantitative Aptitude. Open each question or exercise to read its content, reference answers and available explanation.

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Number System questions and exercises with answers

Showing questions 91–104 of 104.

A method that rewrites the equation so one side becomes a perfect square is called:Read the answer and worked solution →The values of x that satisfy a quadratic equation are called its:Read the answer and worked solution →The roots of a quadratic equation are the same as the zeroes of the corresponding:Read the answer and worked solution →A number of toys problem leads to 2x squared plus x minus 300 equals 0. Its discriminant is:Read the answer and worked solution →Because 2401 is the square of 49, that equation has roots that are:Read the answer and worked solution →Before applying any solving method, an equation must first be written in its:Read the answer and worked solution →Catch the quadraticsRead the answer and worked solution →Pop the root outcomesRead the answer and worked solution →Run the quadratic gatesRead the answer and worked solution →Slice the quadratic wordsRead the answer and worked solution →Real roots or noneRead the answer and worked solution →Sort the equationsRead the answer and worked solution →Type the numberRead the answer and worked solution →Quadratics bingoRead the answer and worked solution →

Worked practice questions

A method that rewrites the equation so one side becomes a perfect square is called:

  1. Completing the survey
  2. Completing the square
  3. Completing the series
  4. Completing the sequence
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Correct answer: B. Completing the square

1. Factorisation is the other classroom method. 2. A perfect square is built deliberately. 3. It is completing the square. _Source: syllabus Mathematics, Chapter 4, Quadratic Equations._

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The values of x that satisfy a quadratic equation are called its:

  1. Rates
  2. Rounds
  3. Roots
  4. Ranks
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Correct answer: C. Roots

1. They are also the zeroes of the matching polynomial. 2. Substituting them makes the equation true. 3. They are the roots. _Source: syllabus Mathematics, Chapter 4, Quadratic Equations._

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The roots of a quadratic equation are the same as the zeroes of the corresponding:

  1. Quadratic proportion
  2. Quadratic progression
  3. Quadratic projection
  4. Quadratic polynomial
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Correct answer: D. Quadratic polynomial

1. One is an equation, the other an expression. 2. Their solutions coincide. 3. They are the zeroes of the quadratic polynomial. _Source: syllabus Mathematics, Chapter 4, Quadratic Equations._

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More Quantitative Aptitude topics

Quantitative AptitudeAlgebraGeometry & MensurationProfit and LossRatio and ProportionPercentagesSimple InterestAverages