Let are positive real numbers

MATHEMATICS · Single correct · CBSE · Mathematics · Sequences and Series · Sequences and Series

Problem

Let p,q,rp, q, r are positive real numbers, such that 27pqr≥(p+q+r)327pqr \ge (p+q+r)^3 and 3p+4q+5r=123p+4q+5r=12, then p3+q4+r5=p^3 + q^4 + r^5 = (a) 3 (b) 6 (c) 2 (d) 4

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