IBPS SO Prelims Exam Model Paper 4

I. 2x2 – 9x + 9 = 0
⇒ 2x2 – 3x – 6x + 9 = 0
⇒ x (2x – 3) – 3 (2x – 3) = 0
⇒ (2x – 3) (x – 3) = 0
⇒ x =

3

2

, 3
II. 2y2 – 17y + 30 = 0
⇒ 2y2 – 12y – 5y + 30 = 0
⇒ 2y (y – 6) – 5 (y – 6) = 0
⇒ (2y – 5) (y – 6) = 0
⇒ y =

5

2

, 6Hence, relationship between x and y cannot be established.