Home / Exams / CISF / CISF_2020 / Question
CISF · 2020 Quantitative Aptitude › Number System
Suppose m = HCF of x and y and n = LCM of x and y. Consider the following: 1. m^2 n ≤ x^2 y^2 2. mn^2 ≤ x^2 y. Which of the following is/are correct?

Study how UPSC repeats — not just the papers

₹199 / 1 year · Founding Member

Full access unlocks the three things no PYQ PDF gives you:
① Cross-exam learning — see the same idea recur across CSE, CAPF, CDS and NDA.
② Topic evolution — how each idea is framed, year by year.
③ Question intelligence — every PYQ + answer, linked to related concepts and similar questions.

e.g. Round Table Conference: CDS 2017 → CSE 2017 → … → CAPF 2024

15 days free, no card required — then ₹199 for 1 year.

Start your 15-day free trial →
💬 Feedback

Send feedback