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: Each of the integers from 0 to 9, inclusive, is written on a separate slip of blank paper and the ten slips are dropped into hat. If the slips are then drawn one at a time without replacement, how many must be drawn to ensure that the numbers on two of the slips drawn will have a sum of 9?

 Option A: 2

 Option B: 3

 Option C: 1

 Option D: 6

 Option E: 4

Answer: Option D


Question: Question: Jamboree and GMAT Club Contest Starts
QUESTION #10:
How many words (with or without meaning)F can be formed using all the letters of the word “SELFIE” so that the two E’s are not together?

 Option A:  660

 Option B:  600

 Option C:  500

 Option D:  300

 Option E:  240

Answer: Option E


Question: Question: a, b, c, d, and e are positive consecutive integers and a < b < c < d < e.
If the sum of a + b is one less than e, and the product of ab is one more than d, then what is the value of c?

 Option A: 3

 Option B: 4

 Option C: 5

 Option D: 6

 Option E: 7

Answer:
Option B