Given a math problem with context and a question and 5 answer choices, the task is to provide the correct answer choice based on the problem. You must choose one of the given answer choices by letter: a, b, c, d, or e; anything else is invalid.

Q: Problem: what is the units digit of 32 ! + 50 ! + 4 ! + 4 ! ?
Options: a. 0, b. 2, c. 4, d. 6, e. 8

A: e
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Q: Problem: | - 2 | ( | - 25 | - | 5 | ) = ? ? source: preparation material mba center
Options: a. 40, b. – 60, c. 60, d. 75, e. 100

A: a
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Q: Problem: 5 people can write 25 book in 20 days working 8 hour a day. then in how many day 125 can be written by 75 people ?
Options: a. 25 / 3, b. 19 / 3, c. 20 / 3, d. 25 / 3, e. 22 / 3

A:
c
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