I x2 ndash 9x 20 0 II 2y2 ndash 11y 15 0 ........

Quantitative Aptitude(IBPS RRB PO) Quadratic Equations

Direction () : In each of the following questions, two equations (I) and (II) are given. You have to solve both the equations and establish the relation between the two equations.

I. x²– 9x + 20 = 0

II. 2y²– 11y + 15 = 0

If X > Y

If X < Y

If X ≥ Y

If X ≤ Y

If X=Y or No relation can be established

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Explanation:

for value of x:
two factor of 20 will be 5 × 4
so value of x= +5 , + 4
for value of y:
two factor of 2 × 15 will be 6 × 5
so value of y= +6/2, +5/2
so, X > Y