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: 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

Answer: Option A


Question: Question: By how much is three-fifth of 370 greater than four-seventh of 210 ?

 Option A: 90

 Option B: 100

 Option C: 110

 Option D: 120

 Option E: 102

Answer: Option E


Question: Question: If b + xy = b and x is not equal to 0, which of the following must be true?

 Option A: y=b

 Option B: y=0

 Option C: x=y

 Option D: x<y

 Option E: x+y=0

Answer:
Option B