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Home Aptitude Simplification Comments

  • Question
  • If x2+1x2 = 2 , then the value of x - 1x is


  • Options
  • A. -2
  • B. 0
  • C. 1
  • D. -1

  • Correct Answer


  • Tags: Bank Exams

    Simplification problems


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    • 1. tan(A/2) is equal to

    • Options
    • A. tanA/(1 + secA)
    • B. 1/(cosecA + cotA)
    • C. tanA/(1 + cosecA)
    • D. 1/(secA + cotA)
    • Discuss
    • 2. What is the value of tan -240°?

    • Options
    • A. -?3
    • B. 1/?3
    • C. -1/?3
    • D. ?3
    • Discuss
    • 3. If a + b = 11 and a2+ b2= 61 , then value of ab is

    • Options
    • A. 12
    • B. 96
    • C. 24
    • D. 30
    • Discuss
    • 4. If 4(2x - 4) - 2 > 3x - 1 ? 4x - 7, then x can take which of the following values?

    • Options
    • A. 7
    • B. 6
    • C. 2
    • D. 0
    • Discuss
    • 5. 5 bottles cost as much as 2 bags. The cost of 15 bottles and 4 bags is Rs 2,000. What is the price (in Rs.) of a single bag?

    • Options
    • A. 200
    • B. 215
    • C. 240
    • D. 250
    • Discuss
    • 6. The line passing through (-2,5) and (6,b) is perpendicular to the line 20x + 5y = 3. Find b?

    • Options
    • A. -7
    • B. 4
    • C. 7
    • D. -4
    • Discuss
    • 7. If tanA + tanB = X, then the value of X is

    • Options
    • A. (tanA - tanB)/(1 + tanAtanB)
    • B. (tanA + tanB)/(1 - tanAtanB)
    • C. (tanA + tanB)/(1 + tanAtanB)
    • D. (tanA - tanB)/(1 - tanAtanB)
    • Discuss
    • 8. If 5x - 40 = 3x, then the numerical value of 2x - 11 is

    • Options
    • A. 29
    • B. 39
    • C. 19
    • D. 9
    • Discuss
    • 9. What is the area of the sector whose central angle is 90° and radius of the circle is 14 cm?

    • Options
    • A. 308 sq cm
    • B. 77 sq cm
    • C. 154 sq cm
    • D. 231 sq cm
    • Discuss
    • 10. If cos3A = X, then value of X?

    • Options
    • A. 4cos3A - 3cosA
    • B. 4cos3A + 3cosA
    • C. 3cosA - 4cos3A
    • D. cosA + 4cos3A
    • Discuss


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