Simplification Questions and Answers : Quantitative Aptitude

  1. 11.    If 13 + 23 + ..... + 93 = 1025 then the value of (0.07)3 + (0.14)3 + (0.21)3 + ..... +(0.63)3 Is close to

    A.) 0.351575 B.) 0.251575
    C.) 2.515575 D.) 3.51575
    Answer: Option 'A'


  2. 12.   If X = 2 + 1/(1+1/(1-1/2))then the value of 4x+7/3

    A.) 11 B.) 34/3
    C.) 11 2/3 D.) 5
    Answer: Option 'C'

    X = 2 + 1/(1+1/(1-1/2))

    = 2 + 1/(1+2)

    = 2 + 1/3

    X = 7/3 ==> 4X + 7/3 => 4(7/3) + 7/3

    ==> 28/3 + 7/3

    ==> 35/3

    ==> 11 2/3.


  3. 13.   (121)1/6 is equal to

    A.) 1 B.) √11
    C.) 11 D.) ∛11
    Answer: Option 'D'

    (121)1/6

    =>(112)1/6

    => 11 2/6

    => 111/3

    => ∛11


  4. 14.  Find the value of (27/343)−2/3

    A.) -(9/49) B.) 49/3
    C.) 5 4/9 D.) 49
    Answer: Option 'C'

    (27/343)−2/3

    (3/7)−2

    (7/3)2

    49/9

    5 4/9.


  5. 15.   Find the value of (√1.21)/(√0.81) + (√1.44)/(√0.49) is

    A.) 181/63 B.) 185/61
    C.) 185/63 D.) 181/61
    Answer: Option 'C'

    (√1.21)/(√0.81) + (√1.44)/(√0.49)

    11/9 + 12/7 => (77 + 108)/63 => 185/63



Quantitative Aptitude Topics



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