pyq/2019/csat/30

P, Q and R are three towns. The distance between P and Q is 60 km, whereas the distance between P and R is 80 km. Q is in the West of P and R is in the South of P. What is the distance between Q and R?

(A) 140 km

(B) 130 km

(C) 110 km

(D) 100 km