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  • Question

  • If sin - 4?/3 = x, then the value of x is


  • Options
  • A. -2
  • B. -2/?3
  • C. ?3/2
  • D. ?2

  • Correct Answer
  • ?3/2 

    • Tags: Bank Exams

    Simplification problems

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    • 1. The diagonal of a square equals the side of an equilateral triangle. If the area of the square is 12 sq cm, what is the area of the equilateral triangle?

    • Options
    • A. 12?3 sq cm
    • B. 6?3 sq cm
    • C. 12?2 sq cm
    • D. 24 sq cm
      • Discuss
    • 2. A triangular prism has 9 edges. How many vertices does it have?

    • Options
    • A. 8
    • B. 6
    • C. 12
    • D. 10
      • Discuss
    • 3. The co-ordinates of the centroid of a triangle ABC are (3,-2). What are the co-ordinates of vertex C if co-ordinates of A and B are (-2,5) and (6,-2) respectively?

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

    • Options
    • A. 3
    • B. 6
    • C. -7
    • D. -1
      • Discuss
    • 5. On dividing 111a2b2c2 by 37a2 , we get ______.

    • Options
    • A. 2c2
    • B. 2b2
    • C. 3
    • D. 3b2c2
      • Discuss
    • 6. When a number is increased by 28, it becomes 107% of itself. What is the number?

    • Options
    • A. 336
    • B. 420
    • C. 400
    • D. 252
      • Discuss
    • 7. If secA - tanA = x, then the value of x is

    • Options
    • A. 1/(sec2A - tan2A)
    • B. 1/(sec2A + tan2A)
    • C. 1/?[(sec2A - tan2A)]
    • D. 1/(secA + tanA)
      • Discuss
    • 8. If cos 45° - sec 60° = x, then the value of x is

    • Options
    • A. (?3-4)/2?3
    • B. 1
    • C. (1-2?2)/?2
    • D. (?3+?2)/2
      • Discuss
    • 9. If (1 + cosA)/2 = x, then the value of x is

    • Options
    • A. sin(A/2)
    • B. ?sin(A/2)
    • C. ?cos(A/2)
    • D. cos2(A/2)
      • Discuss
    • 10. If secA + tanA = x, then the value of x is

    • Options
    • A. cosA/(1 + sinA)
    • B. ?[cosA/(1 - sinA)]
    • C. ?[cosA/(1 + sinA)]
    • D. cosA/(1 - sinA)
      • Discuss

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