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.

[EX Q]: Problem: what least number must be subtracted from 13294 so that the remainder is exactly divisible by 97 ?
Options: a. 3, b. 5, c. 7, d. 9, e. 10
[EX A]: b

[EX Q]: Problem: for the past n days, the average ( arithmetic mean ) daily production at a company was 50 units. if today ' s production of 110 units raises the average to 55 units per day, what is the value of n ?
Options: a. 9, b. 11, c. 13, d. 15, e. 17
[EX A]: b

[EX Q]: Problem: the ratio of money with ram and gopal is 7: 17 and that with gopal and krishan is 7: 17. if ram has rs. 490, krishan has ?
Options: a. rs. 2890, b. rs. 2330, c. rs. 1190, d. rs. 1620, e. rs. 2680
[EX A]:
a