If P, Q, R be midpoints of sides AB, BC and CA of ABC, then the ration of circumradius of PQR to t — AITS & Test Series Chemistry Question

Question

If P, Q, R be midpoints of sides AB, BC and CA of ABC, then the ration of circumradius of PQR to that of circumradius of ABC is (A) 1 : 4 (B) 1 : 2 (C) 1 : 3 (D) none of these