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.
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Question: Question: Which of the following is NOT a factor of 10! ?

 Option A: 1440

 Option B: 625

 Option C: 160

 Option D: 80

 Option E: 50

Answer: Option B


Question: Question: To be considered for “movie of the year,” a film must appear in at least 1/4 of the top-10-movies lists submitted by the Cinematic Academy’s 765 members. What is the smallest number of top-10 lists a film can appear on and still be considered for “movie of the year”?

 Option A: 191

 Option B: 192

 Option C: 193

 Option D: 212

 Option E: 213

Answer: Option B


Question: Question: Find the sum of first 26 natural numbers

 Option A: 470

 Option B: 468

 Option C: 465

 Option D: 351

 Option E: 485

Answer:
Option D