Question

an oil-tanker exploded in a sea.At that instant an aircraft and a submarine were present vertically above and below the oil-tanker respectively at equal distances from it.Find the ratio of the time taken by sound waves to reach the aircraft with respect to the time taken by the waves to reach the submarine

Answer 1

hey!
I know your full question because we were also given these inly at the test of buyju app
the answer is,
4.47