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  • Question
  • If P = 7 + 4?3 and PQ = 1, then what is the value of 1/P2 + 1/Q2 ?


  • Options
  • A. 196
  • B. 194
  • C. 206
  • D. 182

  • Correct Answer
  • 194 

  • Tags: Bank Exams

    Simplification problems


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    • 1. If x + y + z = 0, then what is the value of (3y2 + x2 + z2 )/(2y2 ? xz)?

    • Options
    • A. 2
    • B. 1
    • C. 3/2
    • D. 5/3
    • Discuss
    • 2. What is the value of 4600+540+1280+250+36 ?

    • Options
    • A. 69
    • B. 68
    • C. 70
    • D. 72
    • Discuss
    • 3. What is the value of 143 + 163 + 183 + ... + 303?

    • Options
    • A. 134576
    • B. 120212
    • C. 115624
    • D. 111672
    • Discuss
    • 4. A and B are positive integers. If A + B + AB = 65, then what is the difference between A and B (A, B ? 15)?

    • Options
    • A. 3
    • B. 4
    • C. 5
    • D. 6
    • Discuss
    • 5. Which of the following is TRUE?

    • Options
    • A. 1123>1294>15
    • B. 1294>1123>15
    • C. 15>1123>1294
    • D. 15>1294>1123
    • Discuss
    • 6. If a3 + 3a2 + 9a = 1, then what is the value of a3 + (3/a)?

    • Options
    • A. 31
    • B. 26
    • C. 28
    • D. 24
    • Discuss
    • 7. x, y and z are real numbers. If x3 + y3 + z3 = 13, x + y + z = 1 and xyz = 1, then what is the value of xy + yz + zx?

    • Options
    • A. -1
    • B. 1
    • C. 3
    • D. -3
    • Discuss
    • 8. If (a + b)/c = 6/5 and (b + c)/a = 9/2, then what is the value of (a + c)/b?

    • Options
    • A. 9/5
    • B. 11/7
    • C. 7/11
    • D. 7/4
    • Discuss
    • 9. If x3 + y3 + z3 = 3(1 + xyz), P = y + z ? x, Q = z + x ? y and R = x + y ? z, then what is the value of P3 + Q3 + R3 ? 3PQR?

    • Options
    • A. 9
    • B. 8
    • C. 12
    • D. 6
    • Discuss
    • 10. If x1x2x3 = 4(4 + x1 + x2 + x3 ), then what is the value of [1/(2 + x1 )] + [1/(2 + x2 )] + [1/(2 + x3 )]?

    • Options
    • A. 1
    • B. 1/2
    • C. 2
    • D. 1/3
    • Discuss


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