TASK DEFINITION: The task is to generate the correct answer for a given math problem.
PROBLEM: Problem: two tains of equal lengths take 10 seconds and 15 seconds respectively to cross a telegraph post . if the length of each train be 120 metres , in what time ( in seconds ) will they cross each other travelling in opposite direction ?

SOLUTION: 12

PROBLEM: Problem: if 2 men or 3 women can reap a field in 10 days how long will 4 men and 5 women take to reap it ?

SOLUTION: 11 / 30

PROBLEM: Problem: an 80 - liter solution of cool - drink is made from 10 % jasmine water . if 5 liters of jasmine and 15 liters of water were added to the solution , what percent of the solution is jasmine ?

SOLUTION:
13 %