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.

Question: Find the number of square tiles to cover the floor of a room measuring 6 m * 11 m leaving 0.50 m space around the room. A side of square tile is given to be 50 cms?

 Option A: 187

 Option B: 476

 Option C: 200

 Option D: 208

 Option E: 276
Option C

Question: Sum of 19 odd numbers is?

 Option A: 341

 Option B: 351

 Option C: 361

 Option D: 371

 Option E: 381
Option C

Question: If 60% of 3/5 of a number is 36, then the number is?

 Option A: 80

 Option B: 100

 Option C: 75

 Option D: 90

 Option E: None of these

Option B