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Home Aptitude Simplification Comments

  • Question
  • If 5x + 1/x = 10, then x2 + 125x2 is equal to


  • Options
  • A. 215
  • B. 335
  • C. 315
  • D. 235

  • Correct Answer
  • 335 

  • Tags: Bank Exams

    Simplification problems


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    • 1. A and B together have Rs. 6300. If 5/19 of A's amount is equal to 2/5 of B's amount. The amount of 'B' is

    • Options
    • A. Rs. 2500
    • B. Rs. 3800
    • C. Rs.2300
    • D. Rs. 4000
    • Discuss
    • 2. If xy = 56 and x2+ y2= 113 , then what will be the value of (x + y)?

    • Options
    • A. 29
    • B. 21
    • C. 36
    • D. 15
    • Discuss
    • 3. If cosec4A - cosec2A = x , then value of x is?

    • Options
    • A. tan4A + tan2A
    • B. cot4A + cot2A
    • C. cot4A - cot2A
    • D. tan4A - tan2A
    • Discuss
    • 4. Factors of 48x3- 8x2- 93x- 45 are

    • Options
    • A. (4x + 3)(4x - 3)(3x - 5)
    • B. (4x - 3)(4x - 3)(3x- 5)
    • C. (4x + 3)(4x + 3)(3x - 5)
    • D. (4x - 3)(4x + 3)(3x + 5)
    • Discuss
    • 5. If 2cosAsinB = x, then the value of x is?

    • Options
    • A. sin(A+B) + sin(A-B)
    • B. cos(A++ cos(A-B)
    • C. sin(A+B) - sin(A-B)
    • D. cos(A-B) - cos(A+B)
    • Discuss
    • 6. If sinA + sin2A = 1 then what is the value of cos2A + cos4A ?

    • Options
    • A. 1
    • B. 2
    • C. 1/2
    • D. 1/4
    • Discuss
    • 7. The value of 3x9n+1+9x32n-19x32n-6x9n-1 is equal to

    • Options
    • A. 335
    • B. 325
    • C. 315
    • D. 3
    • Discuss
    • 8. If a+b=3 then the value of a3+b3+9ab-27 is

    • Options
    • A. 24
    • B. 25
    • C. 0
    • D. 27
    • Discuss
    • 9. If x+1/x = 2, then the value of x7+2/x6 is equal to?

    • Options
    • A. 0
    • B. 1
    • C. 2
    • D. 3
    • Discuss
    • 10. If 5 sin2?+ 4 cos2?= 9/2 and 0

    • Options
    • A. 1
    • B. 0
    • C. -1
    • D. 1/4
    • Discuss


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