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: Rs.8000 become Rs.11256 in a certain interval of time at the rate of 5% per annum of C.I. Find the time?

 Option A: 6 YEARS

 Option B: 7

 Option C: 5

 Option D: 3

 Option E: 4
[EX A]: Option B

[EX Q]: Question: Look at this series: 0.15, 0.3, ____, 1.2, 2.4, ... What number should fill the blank?

 Option A: 0.7

 Option B: 0.2

 Option C: 0.4

 Option D: 0.1

 Option E: 0.6
[EX A]:
Option E