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Home Aptitude Simplification Comments

  • Question
  • If 1/(tanA + cotA) = x, then value of x is


  • Options
  • A. cosAsinA
  • B. cos2Asin2A
  • C. cosecAsecA
  • D. cosec2Asec2A

  • Correct Answer
  • cosAsinA 

  • Tags: Bank Exams

    Simplification problems


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    • 1. If 2x- 3(4-2x) < 4x - 5 < 4x + 2x/3, then x can take which of the following values?

    • Options
    • A. 2
    • B. 8
    • C. 0
    • D. -8
    • Discuss
    • 2. If 2x + 6y = 3xy and 10x - 3y = 4xy, find x, y.

    • Options
    • A. 3, 2
    • B. 2, 3
    • C. 4, 6
    • D. 6, 4
    • Discuss
    • 3. What is the value of sec 4?/3?

    • Options
    • A. 2
    • B. -2
    • C. 2/?3
    • D. -2/?3
    • Discuss
    • 4. ?(1 + tan2A)/tanA is equal to

    • Options
    • A. secA
    • B. sinA
    • C. cosecA
    • D. cosA
    • Discuss
    • 5. The point P (a,b) is first reflected in origin to P1 and P1 is reflected in Yaxis to (4,3). The co-ordinates of point P are

    • Options
    • A. (4,3)
    • B. (-4,3)
    • C. (-3,4)
    • D. (3,-4)
    • Discuss
    • 6. P(4,2) and R(-2,0) are vertices of a rhombus PQRS. What is the equation of diagonal QS.

    • Options
    • A. x - 3y = -2
    • B. 3x + y = 4
    • C. 3x + y = -4
    • D. x - 3y = 2
    • Discuss
    • 7. If a ? b = 11 and ab = 24, then value of a2 + b2 is

    • Options
    • A. 169
    • B. 37
    • C. 73
    • D. 48
    • Discuss
    • 8. The simplified form of (x + 3)2 + (x - 1)2 is

    • Options
    • A. (x2 + 2x + 5)
    • B. 2(x2 + 2x + 5)
    • C. (x2 - 2x + 5)
    • D. 2(x2 - 2x + 5)
    • Discuss
    • 9. What is the value of sin(11?/6)?

    • Options
    • A. 2/?3
    • B. -2/?3
    • C. -1/2
    • D. 1/2
    • Discuss
    • 10. If sinC - sinD = x, then value of x is

    • Options
    • A. 2sin[(C+D)/2]cos[(C-D)/2]
    • B. 2cos[(C+D)/2]cos[(C-D)/2]
    • C. 2cos[(C+D)/2]sin[(C-D)/2]
    • D. 2sin[(C+D)/2]sin[(D-C)/2]
    • Discuss


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