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: during a given week a programmer spends 1 / 4 of his time preparing flow chart, 3 / 8 of his time coding and the rest of the time in debugging the programs. if he works 48 hours during the week, how many hours did he spend debugging the program.
Options: a. 15 hrs, b. 16 hrs, c. 18 hrs, d. 19 hrs, e. 17 hrs

A: c
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Q: Problem: the mean of 50 observations is 200. but later he found that there is decrements of 34 from each observations. what is the the updated mean is ?
Options: a. 165, b. 166, c. 190, d. 198, e. 199

A: b
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Q: Problem: according to the formula f = 9 / 5 ( c. + 32, if the temperature in degrees farenheit ( f ) increases by 26, by how much does the temperature in degrees celsius ( c. increase ?
Options: a. 9, b. 14.44, c. 47, d. 48 3 / 5, e. 59

A:
b
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