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

Problem: a train 150 m long is running at a speed of 68 kmph . how long does it take to pass a man who is running at 8 kmph in the same direction as the train ?
9 sec

Problem: a 340 - liter solution of kola is made from 88 % water , 5 % concentrated kola and the rest is made from sugar . if 3.2 liters of sugar , 10 liter of water and 6.8 liters of concentrated kola were added to the solution , what percent of the solution is made from sugar ?
7.5 % .

Problem: a 415 m long train is running at 63 km / hr . in how much time will it cross a tunnel 285 m long ?
4