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.

[Q]: Problem: the average of runs of a cricket player of 20 innings was 32. how many runs must he make in his next innings so as to increase his average of runs by 8 ?
Options: a. 96, b. 200, c. 128, d. 116, e. 122
[A]: b


[Q]: Problem: the arithmetic mean and standard deviation of a certain normal distribution are 14.5 and 1.7, respectively. what value is exactly 2 standard deviations less than the mean ?
Options: a. 10.5, b. 11, c. 11.1, d. 12, e. 12.5
[A]: c


[Q]: Problem: a group of students decided to collect as many paise from each member of group as is the number of members. if the total collection amounts to rs. 72.25, the number of the member is the group is :
Options: a. 57, b. 67, c. 77, d. 85, e. 97
[A]:
d