Home » Quantitative_Aptitude » Algebra » Basic Operation n Factorization » all » Basic operation Quiz 2
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Direction: Study the following questions carefully and choose the right answer.

  • 1.
    If x = 2 then the value of x3 + 27x2 + 243x + 631 is:
    A. 1211 B. 1231
    C. 1233 D. 1321

  • 2.
    If x  1  then (x + 1) equals to :
    2 + 1

    A. 2 B. (2 + 1)
    C. (2 – 1) D. √2

  • 3.
    if x +  1  = 99, find the value of  100x  
    x 2x+ 102x + 2

    A.
    1
    6
    B.
    1
    2
    C.
    1
    3
    D.
    1
    4

  • 4.
    The expression x4 – 2x2 + k will be a perfect square when the value of k is
    A. 2 B. 1
    C. –1 D. –2

  • 5.
    If x +  1  = 2, find the value of 8x3 +  1 .
    2x x3

    A. 48 B. 88
    C. 40 D. 44