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 length and breadth of a rectangular floor are 16.25 metre and 12.75 metre respectively. Find how many minimum number of square tiles would be required to cover it completely?

 Option A: 375

 Option B: 2570

 Option C: 2800

 Option D: 3315

 Option E: None of these
[EX A]: Option D

[EX Q]: Question: By selling 12 toffees for a rupee, a man loses 20%. How many for a rupee should be sell to get a gain of 20%?

 Option A: 5

 Option B: 8

 Option C: 10

 Option D: 15

 Option E: 20
[EX A]: Option B

[EX Q]: Question: In how many different ways can the letters of the word MISSISSIPPI be arranged if the vowels must always be together?

 Option A: 48

 Option B: 144

 Option C: 210

 Option D: 420

 Option E: 840
[EX A]:
Option E