I x 2 minus 7x minus 18 0 II y 2 minus 19y 90 0 ........

Quantitative Aptitude(IBPS CL) Arithmatic inequalities

Directions: Solve the following quadratic equation and mark the answer as per instructions.

I. x ² − 7x − 18 = 0

II. y ²− 19y + 90 = 0

x ≤ y

x = y or no relation can be established

x > y

x ≥ y

x < y

Correct answer(1)

I. x ²− 9x + 2x − 18 = 0

(x – 9) (x + 2) = 0

x = -2, 9

II. y ² − 10y − 9y + 90 = 0

(y – 10) (y – 9) = 0

y = 9, 10

clearly, x ≤ y

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