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Home Aptitude Simplification Comments

  • Question
  • Which of the following is not a quadratic equation?


  • Options
  • A. 2x(x + 4) -11 = x(x - 3) + 6
  • B. 4x(x + 4) -11 = 5x(x - 3) + 5
  • C. x(x + 2) -15 = x(x - 5) + 11
  • D. 2x2 + 8x - 11 = 0

  • Correct Answer
  • x(x + 2) -15 = x(x - 5) + 11 

  • Tags: Bank Exams

    Simplification problems


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    • 1. If x3 = 62 - 32 , then the value of x is

    • Options
    • A. 9
    • B. 6
    • C. 3
    • D. 1
    • Discuss
    • 2. If 5 - 2x ? 4 - x and 3(2 - x) > 2 - 4x; then x can take which of the following values?

    • Options
    • A. 3
    • B. 2
    • C. -3
    • D. -5
    • Discuss
    • 3. Square of (3x ? 5xy) is

    • Options
    • A. 9x2 - 30x2y + 25x2y2
    • B. 9x2 - 15x2y + 25x2y2
    • C. 25x2 - 15x2y + 9x2y2
    • D. 25x2 - 30x2y + 9x2y2
    • Discuss
    • 4. If sin ?/6 + sec ?/6 = x, then x is

    • Options
    • A. (2?2-1)/2
    • B. 5/?3
    • C. (?6-1)/?2
    • D. (?3+4)/2?3
    • Discuss
    • 5. If sec2A cosec2A = x , then x is

    • Options
    • A. sec2A + cosec2A + 2
    • B. tan2A + cot2A - 2
    • C. tan2A + cot2A + 2
    • D. sec2A + cosec2A - 2
    • Discuss
    • 6. If sinA = x, then x is equal to

    • Options
    • A. ?(1 - cos2A)
    • B. ?(1 - sin2A)
    • C. ?(1 + cos2A)
    • D. ?(1 + sin2A)
    • Discuss
    • 7. What is the slope of the line, perpendicular to the line 3x - 6y = 4?

    • Options
    • A. -2
    • B. 2
    • C. 2/3
    • D. -2/3
    • Discuss
    • 8. Product of 9b2, 3a2 and 4ab is

    • Options
    • A. 108a2b2
    • B. 108a3b3
    • C. 108a3b2
    • D. 108a4b4
    • Discuss
    • 9. If tan2A - tan2B = x , then the value of x is

    • Options
    • A. (sin2A - sin2B)/(cos2A cos2B)
    • B. (sin2A sin2B)/(cos2A - cos2B)
    • C. (sin2A + sin2B)/(cos2A cos2B)
    • D. (sin2A sin2B)/(cos2A + cos2B)
    • Discuss
    • 10. ?[(1 sinA)/(1 + sinA)] is equal to?

    • Options
    • A. secA - tanA
    • B. cosecA - cotA
    • C. secA + tanA
    • D. cosecA + cotA
    • Discuss


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