Exams › IBPS PO › Quantitative Aptitude

I. x²-20x+99=0. II. y²-16y+63=0. Find relation between x and y.

1. x ≥ y
2. x < y
3. x ≤ y
4. x = y or Relation cannot be determined

Correct answer: x ≥ y

Solution

I: (x-9)(x-11)=0→x=9 or 11. II: (y-7)(y-9)=0→y=7 or 9. Pairs: (9,7)x>y; (9,9)x=y; (11,7)x>y; (11,9)x>y. In all cases x≥y.

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