TASK DEFINITION: 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: Problem: the shopkeeper sale, all of the prices of the items sold were different. if the price of a radio sold at the shopkeeper sale was both the 9 th highest price and the 14 th lowest price among the prices of the items sold, how many items were sold at the shopkeeper sale ?
Options: a. 23, b. 22, c. 32, d. 26, e. 17

SOLUTION: b

PROBLEM: Problem: a shop owner professes to sell his articles at certain cost price but he uses false weights with which he cheats by 12 % while buying and by 30 % while selling. what is his percentage profit ?
Options: a. 10.22 %, b. 20.22 %, c. 21.22 %, d. 60 %, e. ca n ' t be calculated

SOLUTION: d

PROBLEM: Problem: the speed at which a man can row a boat in still water is 22 kmph. if he rows downstream, where the speed of current is 3 kmph, what time will he take to cover 80 metres ?
Options: a. 12.59, b. 11.53, c. 15.69, d. 14.56, e. 18.98

SOLUTION:
b