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Home Aptitude Simplification Comments

  • Question
  • If ax + by = 1 and bx + ay = 2aba2+b2 then x2+y2a2+b2 is equal to


  • Options
  • A. 1
  • B. 2
  • C. 0.5
  • D. 0

  • Correct Answer


  • Tags: Bank Exams

    Simplification problems


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    • 1. If a+1b= b+1c = c+1a (a , b, c are not equal) then the value of abc =

    • Options
    • A. + 1
    • B. - 1
    • C. +1 & -1
    • D. None of the options
    • Discuss
    • 2. If a = 1/a-5, then the value of a + 1/a = ?

    • Options
    • A. ?29
    • B. ?-29
    • C. - ?29
    • D. ?27
    • Discuss
    • 3. If a + b + c + d = 4, then the value of 1(1-a)(1-b)(1-c) + 1(1-b)(1-c)(1-d) + 1(1-c)(1-d)(1-a) + 1(1-d)(1-a)(1-b)

    • Options
    • A. 0
    • B. 1
    • C. 4
    • D. 1+ abcd
    • Discuss
    • 4. If x = y + 2 then x3 - y3 - z3 is

    • Options
    • A. 0
    • B. 3xyz
    • C. -3xyz
    • D. 1
    • Discuss
    • 5. If a+1b = 1 and b+1c = 1 then c+1a = ?

    • Options
    • A. 0
    • B. 2
    • C. 1
    • D. 3
    • Discuss
    • 6. If x, y, z are the three factors of a3 -7a - 6 , then value of x+y+z will be

    • Options
    • A. 3a
    • B. 3
    • C. 6
    • D. a
    • Discuss
    • 7. If secA + tanA = a, then the value of cosA is

    • Options
    • A. a2+12a
    • B. 2aa2+1
    • C. a2-12a
    • D. 2aa2-1
    • Discuss
    • 8. If sin P + cosec P = 2, then the value of sin7P + cosec7P is

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 0
    • Discuss
    • 9. If cosx.cosy + sinx.siny = -1 then cosx + cosy is

    • Options
    • A. -2
    • B. 1
    • C. 0
    • D. 2
    • Discuss
    • 10. The value of the expression 2(sin6?+cos6?) - 3(sin4?+cos4?) + 1 is

    • Options
    • A. -1
    • B. 0
    • C. 1
    • D. 2
    • Discuss


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