Quantitative Aptitude: Quadratic Equations Questions Set 73

1. x^2-4x+4=0
   y^2-9y+18=0
   x>y
   x< y
   X≥Y
   x≤y
   X=Y or no relation
   Option B
   1. x^2-4x+4=0
   x^2-2x-2x+4=0
   x=2,2
   2. y^2-9y+18=0
   y^2-6y-3y+18=0
   y=6,3
   
   
   
   
   
    



2. x^2-x-12=0
   y^2-y-6=0
   x>y
   x< y
   X≥Y
   X≤Y
   X=Y or no relation
   Option E
   1. x^2-x-12=0
   x^2-4x+3x-12=0
   x=4,-3
   2. y^2-y-6=0
   y^2-3y+2y-6=0
   y=3,-2
   
    



3. x^2+7x+10=0
   y^2+12y=35=0
   x>y
   x< y
   X≥Y
   X≤Y
   X=Y or no relation
   Option C
   1. x^+7x+10=0
   x^2+5x+2x+10=0
   x= -5,-2
   2. y^2+12y+35=0
   y^2+7y+5y+35=0
   y= -7,-5
   
    



4. 25x^2=625
   y^2-10y+25=0
   x>y
   x< y
   X≥Y
   X≤Y
   X=Y or no relation
   Option D
   1. 25x^2=625
   x=+5,-5
   2. y^2-10y+25=0
   y^2-5y-5y+25=0
   y=5,5
   
    



5. x^2-x-42=0
   2y^2-8y+8=0
   x>y
   x< y
   X≥Y
   X≤Y
   X=Y or no relation
   Option E
   1. x^2-x-42=0
   x^2-7x+6x-42=0
   x=7,-6
   2. 2y^2-8y+8=0
   2y^2-4y-4y+8=0
   2y=4,4
   y=2,2
   
    



6. x^4=256
   y^2-12y+36=0
   x>y
   x< y
   X≥Y
   X≤Y
   X=Y or no relation
   Option B
   1. x^4=256
   x=+4,-4
   2. y^-12y+36=0
   y^2-6y-6y+36=0
   y=6,6
   
    



7. 2x+3y=3
   3x+5y=2
   x>y
   x< y
   X≥Y
   X≤Y
   X=Y or no relation
   Option A
   1. 2x+3y=3........(1)
   3x+5y=2...........(2)
   solving euations (1) and (2) we get,
   5(2x+3y=3)=10x+15y=15
   3(3x+5y=2)=9x+15y=6
   x=9
   by putting x=9, in equation(1) we get,
   18+3y=3
   y=-5
   
    



8. 3x^2-7x+4=0
   4y^2-13y+9=0
   x>y
   x< y
   X≥Y
   X≤Y
   X=Y or no relation
   Option E
   1. 3x^2-4x-3x+4=0
   3x=4,4
   x=4/3, 4/3
   2. 4y^2-13y+9=0
   4y^2-9y-4y+9=0
   4y=9,4
   y=9/4, 1
   
    



9. x^2=16
   y^2+6y+8=0
   x>y
   x< y
   X≥Y
   X≤Y
   X=Y or no relation
   Option E
   1. x^2=16
   x=4,-4
   2. y^2+6y+8=0
   y^2+4y+2y+8=0
   y= -4,-2
   
    



10. 5x^2-8x+3=0
    2y^2-16y+32=0
    
    x>y
    x< y
    X≥Y
    X≤Y
    X=Y or no relation
    Option B
    1. 5x^2-8x+3=0
    5x^2-5x-3x+3=0
    5x=1, 3/5
    2. 2y^2-16y+32=0
    2y^2-8y-8y+32=0
    2y=8,8
    y=4,4
    
     

 

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