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  • Question
  • Find k, if the line 4x - y = 1 is perpendicular to the line 5x - ky = 2?


  • Options
  • A. 20
  • B. -20
  • C. 4
  • D. -4

  • Correct Answer
  • -20 

  • Tags: Bank Exams

    Simplification problems


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    • 1. If 1 + secA = x, then the value of x is

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

    • Options
    • A. cos(A/2)
    • B. tan(A/2)
    • C. sin(A/2)
    • D. cot(A/2)
    • Discuss
    • 3. If cot 60° + cosec 60° = x, then the value of x is

    • Options
    • A. (1-2?2)/?2
    • B. (?3-4)/2?3
    • C. 1
    • D. ?3
    • Discuss
    • 4. Reduce 3596 / 4292 to lowest terms.

    • Options
    • A. 29/37
    • B. 17/43
    • C. 31/37
    • D. 19/23
    • Discuss
    • 5. What is the slope of the line, parallel to the line 3x - 6y = 4?

    • Options
    • A. -1/2
    • B. 1/2
    • C. 2
    • D. -2
    • Discuss
    • 6. If (8 - 10x) - (13x - 2) = -9, then the value of x is

    • Options
    • A. -19/23
    • B. 19/23
    • C. -1/23
    • D. 1/23
    • Discuss
    • 7. If xy = -18 and x2+ y2= 85 , then find the value of (x + y).

    • Options
    • A. 8
    • B. 10
    • C. 9
    • D. 7
    • Discuss
    • 8. If 2x -3(x + 2) < 5 - 2x < -x + 2, then find the value of x.

    • Options
    • A. 2
    • B. 0
    • C. 10
    • D. 12
    • Discuss
    • 9. If sec -5?/4 = x, then the value of x is

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

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


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