instruction:
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.
question:
Problem: by selling 20 pencils for a rupee a man loses 30 %. how many for a rupee should he sell in order to gain 30 % ?
Options: a. 8.56, b. 10.75, c. 14.5, d. 16.5, e. 11.4
answer:
b


question:
Problem: bottle r contains 350 capsules and costs $ 6.25. bottle t contains 130 capsules and costs $ 2.99. what is the difference between the cost per capsule for bottle r and the cost per capsule for bottle t ?
Options: a. $ 0.25, b. $ 0.12, c. $ 0.0052, d. $ 0.003, e. $ 0.002
answer:
c


question:
Problem: two cycles are standing side - by - side. one cycle, which is 2.5 feets tall, casts a shadow that is 5 feets long. the other cycle is 2 feets tall. compute, in feets, the length of the shadow that the shorter cycle casts.
Options: a. 3, b. 4, c. 6, d. 8, e. 10
answer:

b