IBPS Clerk Prelims Model Paper 21

I. x2 + 11x + 28 = 0
x2 + 4x + 7x + 28 = 0
x(x + 4) + 7(x + 4) = 0
(x + 4) (x + 7) = 0
x = – 4, –7
II. 2y2 + 13y + 20 = 0
2y2 + 8y + 5y + 20 = 0
2y(y + 4) + 5(y + 4) = 0
y = −4,−

5

2

(y + 4) (2y + 5) = 0
Conclusions:
x = y = –4;
⇒ x ≤ y
Hence, this is the correct answer.