Q: Given a math problem with context and a question and 5 answer choices, the task is to provide the correct answer choice based on the problem. You must choose one of the given answer choices by letter: a, b, c, d, or e; anything else is invalid.
Problem: a class of boys stands in a single line, one boy is 19 th in order from both the ends, how many boys are there in the class ?
Options: a. 37, b. 38, c. 27, d. 29, e. 11
A:
a