Quantitative Aptitude: Quadratic Equations Questions Set 70

  1. a)(x-3) (x+2)=0
    b)y^2 -7y +12=0
    x>y
    x
    x is less than or equal to y
    x is greater than or equal to y
    x=y or relationship cannot be established
    Option C
    x=3 , -2
    y=3 , 4

     

  2. a)x(27-x) = 182
    b)y(55-y) = 750
    x>y
    x
    x is less than or equal to y
    x is greater than or equal to y
    x=y or relationship cannot be established
    Option B
    x=13 ,14
    y=25 , 30

     

  3. a)(x+3) (x+29) = 360
    b) 480 / y =[480/(y- 8)] – 3
    x>y
    x
    x is less than or equal to y
    x is greater than or equal to y
    x=y or relationship cannot be established
    Option E
    x= 7 , -39
    y = 40 , -32

     

  4. a)2x^2 +x -300 =0
    b)y^2 – 45 y + 324 = 0
    x>y
    x
    x is less than or equal to y
    x is greater than or equal to y
    x=y or relationship cannot be established
    Option E
    x=12 , -12.5
    y= 36 , 9

     

  5. a)13x^2 – 32x – 21 = 0
    b)8y^2 +6y – 5 =0
    x>y
    x
    x is less than or equal to y
    x is greater than or equal to y
    x=y or relationship cannot be established
    Option E
    x=3, -0.5
    y=-1.25, 0.5

     

  6. a)16x^2 +20 x + 6 = 0
    b)y^2 +15 y +56=0
    x>y
    x
    x is less than or equal to y
    x is greater than or equal to y
    x=y or relationship cannot be established
    Option A
    x= -0.25 , -1.5
    y= -8 , -7

     

  7. a)12x^2 +29x +14 =0
    b)Y^2 +9y +18 = 0
    x>y
    x
    x is less than or equal to y
    x is greater than or equal to y
    x=y or relationship cannot be established
    Option A
    x= – 1.75 , -0.60
    y= -6 , -3

     

  8. a)x^2 – 33x +272 =0
    b)y^2 – 30y +224 = 0
    x>y
    x
    x is less than or equal to y
    x is greater than or equal to y
    x=y or relationship cannot be established
    Option D
    x=16,17
    y= 16 , 14

     

  9. For which of the following ,the value of X is greater than Y.?

    a)3x^2 +23x +44= 0 ; 3Y^2+20 y +33=0
    b)3x^2 +29x+56=0 ; 2y^2 +15y +25 = 0
    c)3x^2 – 16x +21 = 0; 3y^2 -28y +65 =0

    Only a
    Only b
    Both a and c
    Both b and c
    None follows
    Option E
    a) x= -4 , -11/3 ; y= -3 , -11/3
    b)x= -7 , -8/3 ; y = -5 , -5/2
    c)x = 3 , 7/3 ; y =5 ,13/3

     

  10. a)x^2 – 8x +15 = 0
    b)y^2 -13y +40 = 0
    x>y
    x
    x is less than or equal to y
    x is greater than or equal to y
    x=y or relationship cannot be established
    Option C
    x=5 , 3
    y=8 , 5

     


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