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

Problem: what is the total number of integers between 10 and 50 that are divisible by 2 ?
19

Problem: a train passes a platform in 32 seconds . the same train passes a man standing on the platform in 20 seconds . if the speed of the train is 54 km / hr , the length of the platform is
180 meter

Problem: a tradesman by means of his false balance defrauds to the extent of 20 % ? in buying goods as well as by selling the goods . what percent does he gain on his outlay ? a . 20 % b . 45 %

44