Quant Test for SBI PO Prelims Exam set – 06

Directions(1-5): Compare the values of x and y then choose a correct option.

  1. I.x^2 –x – 210 = 0
    II. y^2 + 30y + 224 = 0

    x > y
    No relation
    x >= y
    x >= y
    y > x
    Option C
    I.x^2 –x – 210 = 0
    =>x^2 – 15x + 14x – 210 = 0
    =>(x-15)(x+14) = 0
    =>x = -14,15
    II. y^2 + 30y + 224 = 0
    =>y^2 + 16y + 14y + 224 = 0
    =>(y+16)(y+14) = 0
    =>y = -16,-14
    x >= y

     

  2. I.2x^2 – 11x + 15 = 0
    II. 2y^2 = y + 10

    x >= y
    y > x
    x > y
    No relation
    x >= y
    Option A
    I.2x^2 – 11x + 15 = 0
    =>2x^2 – 6x – 5x + 15 = 0
    =>(2x-5)(x-3) = 0
    =>x = 3,5/2
    II. 2y^2 = y + 10
    =>2y^2 – 5y – 4y – 10 = 0
    =>(y+2)(2y-5) = 0
    =>y = -2,5/2
    x >= y

     

  3. I.x^2 + 19x + 88 = 0
    II. y^2 + 20y + 96 = 0

    x >= y
    x > y
    y > x
    x >= y
    No relation
    Option E
    I.x^2 + 19x + 88 = 0
    =>x^2 + 11x+8x + 88 = 0
    =>(x+11)(x+8) = 0
    =>x = -8,-11
    II. y^2 + 20y + 96 = 0
    =>y^2 + 12y + 8y + 96 = 0
    =>(y+8)(y+12) = 0
    =>y = -8,-12
    No relation

     

  4. I.2x+5y = 42
    II.11x-4y = 42

    x >= y
    x >= y
    y > x
    No relation
    Option E
    On solving both the equations, we get
    x = y = 6
    No relation

     

  5. I.9x + 7y = 110
    II. 11x – 5y = 26

    y > x
    x > y
    x >= y
    x >= y
    No relation
    Option A
    On solving both the equations, we get
    y = 8
    x = 6
    y > x

     

  6. Directions(6-10): Answer the following questions based on the following information.
    The table shows the data regarding the fighter planes launched by different countries in the year 2010.

  7. The number of unsuccessful fighter planes launched is what percentage of the number of successful fighter planes launched by country A?
    81.91%
    72.74%
    67.81%
    77.77%
    71.61%
    Option D
    Required% = 7/9*100 = 77.77%

     

  8. The table shows the data regarding the fighter planes launched by different countries in the year 2010.
    127
    115
    105
    110
    122
    Option B
    Average = (153+120+72)/3 = 115

     

  9. In 2011, the number of fighter planes launched by country C is 50% more than the previous year. If the ratio of successful to unsuccessful fighter planes launched in 2011 is 17:4. Find the number of unsuccessful fighter planes launched by C in 2011.
    20
    29
    28
    36
    32
    Option D
    Number of fighter planes launched in 2011 = 126*1.5
    = 189
    Required number of unsuccessful fighter planes launched in 2011 = 4/21*189 = 36

     

  10. If 25% of the fighter planes launched by A were related to defence system. Find the number of defence related fighter planes launched by A.
    68
    56
    61
    70
    74
    Option A
    Number of defence related fighter planes launched by A = 272*0.25 = 68

     

  11. Total number of fighter planes launched by country D is how much more than the number of fighter planes launched by country E.
    89
    75
    80
    90
    93
    Option E
    Difference = 198-105 = 93

     


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