TASK DEFINITION: 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.
PROBLEM: Question: A coin is tossed two times. What is the probability that there is at the least one tail?

 Option A: 3/4

 Option B: 31/37

 Option C: 31/18

 Option D: 31/10

 Option E: 31/19

SOLUTION: Option A

PROBLEM: Question: One computer can upload 100 megabytes worth of data in 2 seconds. Two computers, including this one, working together, can upload 1300 megabytes worth of data in 10 seconds. How long would it take for the second computer, working on its own, to upload 100 megabytes of data?

 Option A:  6.6

 Option B:  7

 Option C:  9

 Option D:  11

 Option E:  13

SOLUTION: Option A

PROBLEM: Question: What is the area of a square field whose diagonal of length 24 m?

 Option A: 256

 Option B: 289

 Option C: 200

 Option D: 288

 Option E: 178

SOLUTION:
Option D