Home » Quantitative_Aptitude » Algebra » Basic Operation n Factorization » all » Basic operation Quiz 4
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Direction: Study the following questions carefully and choose the right answer.

  • 1. If x + y = 15, then (x – 10)3 + (y – 5)3 is
    A. 25 B. 125
    C. 625 D. 0

  • 2.
    If x +  1  = 5, then the value of x6 +  1  is
    x x6

    A. 12098 B. 12048
    C. 14062 D. 12092

  • 3.
    If x3 +  3  = 4(a3 + b3) and 3x +  1  = 4(a3 – b3), then a2 – b2 is equal to    
    x x3

    A. 4 B. 0
    C. 1 D. 2

  • 4.
    If x2 – 3x + 1 = 0, then the value of  x6 + x4 + x2 + 1  will be
    x3

    A. 18 B. 15
    C. 21 D. 30

  • 5.
    If x = 6 +  1 , then the value of x4 +  1  is
    x x4

    A. 1448 B. 1442
    C. 1444 D. 1446