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.

[EX Q]: Question: The greatest number that divides 180, 565 and 705 leaving remainder 5, 5 and 5 respectively is:

Option A: 31

Option B: 33

Option C: 35

Option D: 38

Option E: 39
[EX A]: Option C

[EX Q]: Question: 3889 + 14.952 - ? = 3854.002

Option A: 47.95

Option B: 49.95

Option C: 45.97

Option D: 47.59

Option E: 45.79
[EX A]: Option B

[EX Q]: Question: 8 men can dig a pit in 20 days. If a man works half as much again a s a boy, then 4 men and 9 boys can dig a similar pit in:

Option A: 10 days

Option B: 12 days

Option C: 15 days

Option D: 16 days

Option E: 20 days
[EX A]:
Option D