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: In a photography exhibition, some photographs were taken by Octavia the photographer, and some photographs were framed by Jack the framer. Jack had framed 24 photographs taken by Octavia, and 12 photographs taken by other photographers. If 36 of the photographs in the exhibition were taken by Octavia, how many photographs were either framed by Jack or taken by Octavia?

Option A: 36

Option B: 48

Option C: 72

Option D: 96

Option E: 108
[EX A]: Option B

[EX Q]: Question: The purchase price of an article is $48. In order to include 5% of cost for overhead and to provide $12 of net profit, the markup should be

Option A: 15%

Option B: 25%

Option C: 30%

Option D: 40%

Option E: 45%
[EX A]: Option C

[EX Q]: Question: Ram professes to sell his goods at the cost price but he made use of 900 grms instead of a kg, what is the gain percent?

Option A: 21 1/9%

Option B: 61 1/9%

Option C: 11 1/9%

Option D: 31 1/9%

Option E: 81 1/9%
[EX A]:
Option C