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Home Aptitude Simplification Comments

  • Question
  • If cos2x + cos4x = 1, then tan2x + tan4x =


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

  • Correct Answer


  • Tags: Bank Exams

    Simplification problems


    Search Results


    • 1. If (x - 4) (x2 + 4x + 16) = x3 - P , then P is equal to

    • Options
    • A. 27
    • B. 8
    • C. 64
    • D. 0
    • Discuss
    • 2. If a + b = 10 and ab = 21, then the value of (a - b)2 is

    • Options
    • A. 15
    • B. 16
    • C. 17
    • D. 18
    • Discuss
    • 3. If cos 27° = x, the value of tan 63° is

    • Options
    • A. x1-x2
    • B. x1+x2
    • C. 1-x2x
    • D. 1+x2x
    • Discuss
    • 4. If 2x+13x = 5 , the value of 5x6x2+20x+1 is

    • Options
    • A. 1/4
    • B. 1/6
    • C. 1/5
    • D. 1/7
    • Discuss
    • 5. If x , y, and z are real numbers such that (x - 3)2 + (y - 4)2 + (z - 5)2 = 0 then (x+y+z) is equal to

    • Options
    • A. -12
    • B. 0
    • C. 8
    • D. 12
    • Discuss
    • 6. If a + b + c = 0 , then the value of a3 + b3+ c3 is

    • Options
    • A. abc
    • B. 2abc
    • C. 3abc
    • D. 0
    • Discuss
    • 7. The value of x13+x-13x23-1+x-23

    • Options
    • A. x-1+x23
    • B. x+x-13
    • C. x13+x-1
    • D. x+x-1
    • Discuss
    • 8. If tan? = 43 , then the value of 3sin?+2cos?3sin?-2cos? ?

    • Options
    • A. 1/2
    • B. 3/2
    • C. 3
    • D. -3
    • Discuss
    • 9. If 1p+1q = 1p+q , then the value of p3-q3

    • Options
    • A. p-q
    • B. pq
    • C. 1
    • D. 0
    • Discuss
    • 10. If x = 93 , y = 93 , z = 94 then the value of x2 - y2 + 10xz + 10yz is

    • Options
    • A. 104784
    • B. 147840
    • C. 174840
    • D. 184740
    • Discuss


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