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  • Question
  • If a1-2a+b1-2b+c1-2c = 12, then 11-2a+11-2b+11-2c value is


  • Options
  • A. 1
  • B. 2
  • C. 3
  • D. 4

  • Correct Answer


  • Tags: Bank Exams

    Simplification problems


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    • 1. If x = 999, y = 1000, z = 1001, then the value of x3+y3+z3-3xyzx-y+z is

    • Options
    • A. 1000
    • B. 9000
    • C. 1
    • D. 9
    • Discuss
    • 2. If ? + ? = 90° and ?:? = 2:1, then the ratio of cos? to cos? is

    • Options
    • A. 1:?3
    • B. 1:3
    • C. 1:?2
    • D. 1:2
    • Discuss
    • 3. If (x + 1/x) = 3, then x8+1x8 is equal to

    • Options
    • A. 2201
    • B. 2203
    • C. 2207
    • D. 2213
    • Discuss
    • 4. If ( x - 5)2 + (y - 2)2 + (z - 9)2 = 0 , then value of (x + y - z) is

    • Options
    • A. 16
    • B. -1
    • C. -2
    • D. 12
    • Discuss
    • 5. If cos 21° = x/y, then cosec 21° - cos 69° is equal to

    • Options
    • A. x2yy2-x2
    • B. y2xy2-x2
    • C. y2xx2-y2
    • D. x2yx2-y2
    • Discuss
    • 6. The length of a chord which is at a distance of 12 cm from the centre of a circle of radius 13 cm is

    • Options
    • A. 10 cm
    • B. 5 cm
    • C. 6 cm
    • D. 12 cm
    • Discuss
    • 7. If ? is positive acute angle and 7cos2? + 3sin2? = 4 , then the value of ? is

    • Options
    • A. 60°
    • B. 30°
    • C. 45°
    • D. 90°
    • Discuss
    • 8. If x = 313- 3-13, then 3x3 + 9x value is

    • Options
    • A. 8
    • B. 9
    • C. 27
    • D. 16
    • Discuss
    • 9. If xy (x + y) = m, then the value of x3 + y3 + 3m is:

    • Options
    • A. m3xy
    • B. m3x+y3
    • C. m3x3y3
    • D. mx3y3
    • Discuss
    • 10. The value of sin?+sin?cos?+cos? + cos?-cos?sin?-sin? is

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


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