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: How many words can be formed by taking 4 letters at a time out of the letters of the word MATHEMATICS.

Option A: 2154

Option B: 2454.

Option C: 2254

Option D: 2354

Option E: 1245

A: Option B
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Q: Question: If -5 < x < 7 and -6 < y < 3, which of the following specifies all the possible values of xy?

Option A: -42 < xy < 30

Option B: -42 < xy < 24

Option C: -28 < xy < 18

Option D: -24 < xy < 21

Option E: -24 < xy < 24

A: Option A
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Q: Question: 19 5 17 = x
65 8 10 = y
What will be the value of x + y?

Option A: 189

Option B: 129

Option C: 69

Option D: 169

Option E: 179

A:
Option B
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