The task is to generate the correct answer for a given math problem.

Problem: in a kilometer race , a beats b by 48 meters or 12 seconds . what time does a take to complete the race ?
238 sec

Problem: a clock shows the time as 10 a . m . if the minute hand gains 5 minutes every hour , how many minutes will the clock gain by 6 p . m . ?
40 minute

Problem: a man started driving at a constant speed , from the site of a blast , the moment he heard the blast . he heard a second blast after a time of 30 mins and 15 seconds . if the second blast occurred exactly 30 mins after the first , how many meters was he from the site when he heard the second blast ? ( speed of sound = 330 m / s )

4950