Task: Question Answering
Input (English): Problem: the average age of an adult class is 40 years. 12 new students with an avg age of 32 years join the class. therefore decreasing theaverage by 4 year. find what was theoriginal strength of class ?
Options: a. 11, b. 12, c. 17, d. 19, e. 21
Output (English): b