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 theater box office sold an average (arithmetic mean) of 65 tickets per staff member to a particular movie. Among the daytime staff, the average number sold per member was 75, and among the evening staff, the average number sold was 60. If there are no other employees, what was the ratio of the number of daytime staff members to the number of evening staff members?

 Option A: 1:2

 Option B: 1:4

 Option C: 5:11

 Option D: 1:3

 Option E: 13:15

SOLUTION: Option A

PROBLEM: Question: If 6 (A's capital) = 8 (B's capital) = 18 (C's capital). Then the ratio of their capitals is?

 Option A: 12:15:16

 Option B: 12:15:4

 Option C: 12:9:4

 Option D: 20:15:11

 Option E: 20:15:19

SOLUTION: Option C

PROBLEM: Question: A farmer divided certain number of acres of land among 3 sons and 1 daughter in such a way that 1/3rd of the total land was given to elder son, 1/2 of the remaining was given to second son, 1/3rd of the remaining was given to his younger son, and the remaining to his daughter. As a result, the younger son and daughter received equal number of acres. Find the total number of acres divided, if daughter gets 12 acres land.

 Option A: 72

 Option B: 90

 Option C: 120

 Option D: 84

 Option E: 62

SOLUTION:
Option A