ibps-rrb-os1 2017 · Question 50 of 74

I. x2 + 9x + 20 = 0 II. y2 = 16

Quantitative Aptitude (misc)

Aif x>y
Bif x≥y
Cif x<y
Dif x ≤yCorrect
Eif x = y or no relationship can be established.

Answer: D. if x ≤y

Explanation

I 𝑥2 + 5𝑥 + 4𝑥 + 20 = 0 𝑥(𝑥 + 5) + 4(𝑥 + 5) = 0 (𝑥 + 4)(𝑥 + 5) = 0 𝑥 = −4, −5 II. 𝑦2 = 16 𝑦 = ±4 ∴ 𝑥 ≤ 𝑦 9 Adda247 | No. 1 APP for Banking & SSC Preparation

Source: IBPS RRB PO Prelims 2017 Memory Based Paper (Adda247) · memory-based

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