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: rajani has to read a book of 445 pages. she has already read the first 157 pages of the book and if she reads 24 pages of the book everyday then how long will she take now to complete the book ?
Options: a. 25 days, b. 20 days, c. 46 days, d. 21 days, e. none of these
[A]: e


[Q]: Problem: calculate the share of z, if rs. 3720 is divided among x, y and z in the ratio 7: 8: 11 ?
Options: a. 1564.1, b. 1214.1, c. 1574.1, d. 1271.1, e. 1044.1
[A]: c


[Q]: Problem: an employee ’ s annual salary was increased $ 25000. if her new annual salary now equals $ 90000, what was the percent increase ?
Options: a. 15 %, b. 162 ⁄ 3 %, c. 20 %, d. 38.46 %, e. 24 %
[A]:
d