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 Input:
Question: A boy and a girl appear for an interview against 2 vacant posts in an office. The probability of the boy's selection is 1/5 and that of the girl's selection is 1/3. What is the probability that only 1 of them is selected?

Option A: 1/3

Option B: 2/5

Option C: 3/5

Option D: 4/7

Option E: 5/9

Ex Output:
Option B

Ex Input:
Question: The length of a room is 7 m and width is 4.75 m. What is the cost of paying the floor by slabs at the rate of Rs. 900 per sq. metre.

Option A: 25650

Option B: 25750

Option C: 26550

Option D: 26750

Option E: 29925

Ex Output:
Option E

Ex Input:
Question: Which of the following integers doesn't have a divisor greater than 1 that is the square of an integer?

Option A: 12

Option B: 36

Option C: 100

Option D: 61

Option E: 72

Ex Output:
Option D