TASK DEFINITION: You are given a math word problem and you are supposed to make use of mathematical concepts like probability, combinatorics, linear equations, sequences/series, or simple operators like addition, subtraction, division, or multiplication to answer the given question. Choose the best option from the 5 given options and report that option.
PROBLEM: Question: A certain electric-company plan offers customers reduced rates for electricity used between 8 p.m. and 8 a.m. weekdays and 24 hours a day Saturdays and Sundays. Under this plan, the reduced rates Z apply to what fraction of a week?

Option A: 1/2

Option B: 5/8

Option C: 9/14

Option D: 16/21

Option E: 9/10

SOLUTION: Option C

PROBLEM: Question: A batsman scored 90 runs which included 2 boundaries and 7 sixes. What percent of his total score did he make by running between the wickets.

Option A: 30%

Option B: 40%

Option C: 44.44%

Option D: 60%

Option E: 80%

SOLUTION: Option C

PROBLEM: Question: Two positive integers differ by 4, and sum of their reciprocals is 5 Then one of the numbers is

Option A: a

Option B: b

Option C: c

Option D: d

Option E: 4

SOLUTION:
Option E