# Quantitative Aptitude: Quadratic Equations Questions Set 71

1. a)x^2 – 18x +72=0
b)3y^2 +7y + 4 =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=6 , 12
y=-1 , -4/3

2. a)x^2 – 5x = 0
b)2y^2 +7 y-4 =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= 0 , 5
y=-4 , 1/ 2

3. a)3x +2 y =16
b)2x+ 3y = 33/2
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=3
y=3.5

4. a)2x^2 +19x + 44 = 0
b)2y^2 +3y – 20 =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= – 4 ,-11/2
y= – 4 , 5/2

5. a)2x^2 -7x + 6 =0
b)4y^2 = 9
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 = 2 or 3/2
y= 3/2 or -3/2

6. a)5/x – 4/y = -2
b)2/x +3/y= 13
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=1/2
y=1/3

7. a) x^2 =5625
b) y =3√421875
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= 75 , -75
y= 75

8. a)x^2 = 4
b)3y^2 – 4y – 4=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

9. a)5x^2 -13x – 6 = 0
b)3y^2 +14 y + 8 = 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= -2/5 , 3
y= – 4 , -2/3

10. a)4x^2 +23x +15 = 0
b)4y^2 – 11y + 6 =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 B
x= -5 , -3/4
y= 3/4 , 2

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