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: P is three times as fast as Q and working together, they can complete a work in 18 days. In how many days can Q alone complete the work?

Option A: 24

Option B: 77

Option C: 88

Option D: 55

Option E: 778

A: Option A
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Q: Question: Two out of five employees are capable of doing a certain task. Sixty percent of the five employees, including the two who are capable, are assigned to a project involving this task. what percentage of employees assigned to the project are not capable?

Option A: 43.33%

Option B: 33.33%

Option C: 13.33%

Option D: 38.33%

Option E: 23.33%

A: Option B
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Q: Question: From a number of mangoes, a man sells half the number of existing mangoes plus 1 to the first customer, then sells 1/3rd of the remaining number of mangoes plus 1 to the second customer, then 1/4th of the remaining number of mangoes plus 1 to the third customer and 1/5th of the remaining number of mangoes plus 1 to the fourth customer. He then finds that he does not have any mangoes left. How many mangoes did he have originally?

Option A: 12

Option B: 14

Option C: 15

Option D: 13

Option E: 16

A:
Option B
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