Question

PQ is a tunnel. A dog sits at a distance of 5/11 of PQ
from P. The train's whistle coming from any end of the
tunnel would make the dog run. If a train approaches
P and the dog runs towards P, the train would hit the
dog at P. If the dog runs towards Q instead, it would
hit the dog at Q. Find the ratio of the speeds of the train
and the dog
(A) 5:2 (B) 16:5 (C)) 11:1 (D) 34 : 3​

Answer 1

Step-by-step explanation:

option c)11:1 is right answer here