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: what will be the compound interest on a sum of rs. 20,000 after 3 years at the rate of 12 % p. a. ?
Options: a. rs. 8098.56, b. rs. 9720, c. rs. 10123.20, d. rs. 10483.20, e. none

SOLUTION: a

PROBLEM: Problem: in what time will a railway train 50 m long moving at the rate of 36 kmph pass a telegraph post on its way ?
Options: a. 5 sec, b. 4 sec, c. 3 sec, d. 6 sec, e. 1 sec

SOLUTION: a

PROBLEM: Problem: a certain plant was 11 feet long on the day it was plantedthe length grows by a constant amount everyday ( inc. the first day it was planted.. if this plant grew by 30 % b / w the 4 th day and 10 th day after it was planted, how many feet per day does the plant grow
Options: a. a. 2, b. b. 4.5, c. c. 0.69, d. d. 5.5, e. e. 3

SOLUTION:
c