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: 3889 + 14.952 - ? = 3854.002

 Option A: 47.95

 Option B: 49.95

 Option C: 45.97

 Option D: 47.59

 Option E: 45.79
Option B

Question: There are 3 questions in a question paper. If the questions have 4,3 and 2 solutions respectively, find the total number of solutions

 Option A: 24

 Option B: 25

 Option C: 30

 Option D: 40

 Option E: 54
Option A

Question: In an intercollegiate competition that lasted for 3 days, 185 students took part on day 1, 150 on day 2 and 200 on day 3. If 100 took part on day 1 and day 2 and 110 took part on day 2 and day 3 and 50 took part on all three days, how many students took part only on day 3?

 Option A: 45

 Option B: 35

 Option C: 55

 Option D: 30

 Option E: 40

Option E