ibps-rrb-oa 2021 · Question 32 of 55

I. x² + 8x + 15 = 0 II. 2y² + 21y + 54 = 0

A(a) x > y
B(b) x ≥ y
C(c) No relation can be established between x and y.Correct
D(d) x ≤ y
E(e) x < y 9 www.bankers

Answer: C. (c) No relation can be established between x and y.

Explanation

I. x² + 8x + 15 = 0 x² + 5x +3x + 15 = 0 x(x + 5) +3(x + 5) = 0 (x + 3) (x + 5) x= -3, -5 II. 2y² + 21y + 54 = 0 2y² + 12y + 9y + 54 = 0 2y (y + 6) +9(y + 6) = 0 (2y + 9) (y +6) = 0 𝑦= −9 , −6 No relation can be established between x & y

Source: IBPS RRB Clerk Mains Previous Year Paper 2021 (Questions) - BankersAdda · memory-based

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