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.

Q: Question: If x is to be chosen at random from the set {1, 2, 3} and y is to be chosen at random from the set {5, 6, 7}, what is the probability that xy will be even?

 Option A:  1/6

 Option B:  1/3

 Option C:  1/2

 Option D:  2/3

 Option E:  5/6

A: Option E
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Q: Question: A car going at 40 miles per hour set out on an 90-mile trip at 9:00 A.M. Exactly 10 minutes later, a second car left from the same place and followed the same route. How fast, in miles per hour, was the second car going if it caught up with the first car at 10:30 A.M.?

 Option A:  45

 Option B:  50

 Option C:  53

 Option D:  55

 Option E:  90

A: Option E
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Q: Question: If log10 2 = 0.3010, then log2 10 is equal to:

 Option A: 1000/301

 Option B: 0.301

 Option C: 600/301

 Option D: 0.6992

 Option E: 0.7254

A:
Option A
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