SBI PO 03 July 2016 Paper

I. 10x2 – 17x + 7 = 0
⇒ 10x2 – 10x – 7x + 7 = 0
⇒ 10x (x – 1) – 7 (x – 1) = 0
⇒ (x – 1) (10x – 7) = 0
⇒ x = 1 or

7

10

II. 15y2 – 19y + 6 = 0
⇒ 15y2 – 10y – 9y + 6 = 0
⇒ 5y (3y – 2) – 3 (3y – 2) = 0
⇒ (3y – 2) (5y – 3) = 0
⇒ y =

2

3

or

3

5

Clearly, x > y