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: in a mayoral election, candidate x received 1 / 2 more votes than candidate y, and candidate y received 2 / 5 fewer votes than z. if z received 25000 votes how many votes did candidate x received ?
Options: a. 18000, b. 22500, c. 24000, d. 26000, e. 32000
b

Problem: a cricket player whose bowling average was 21.5 runs per wicket, takes 5 wicket for 52 runs in a match. due to this his average decreases by 0.5. what will be the number of wickets taken by him till the last match ?
Options: a. 64, b. 72, c. 111, d. 721, e. 108
c

Problem: the payment per hour for a daily - wages employee is increased by 33.33 and the working time is reduced by 33.33 %. what is the percentage change in the employee ' s income ?
Options: a. rs. 0.7889, b. rs. 0.8889, c. rs. 0.9889, d. rs. 1.8889, e. rs. 2.8889

b