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: the smallest number which when diminished by 2, is divisible by 12, 16, 18, 21 and 28 is
Options: a. 1008, b. 1010, c. 1022, d. 1032, e. 1043

A: b
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Q: Problem: a fort had provision of food for 150 men for 45 days. after 15 days, 10 men left the fort. the number of days for which the remaining food will last, is :
Options: a. 32, b. 37 1 / 4, c. 42, d. 54, e. 45

A: a
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Q: Problem: a windmill is taking advantage of strong air currents in order to produce electrical energy. on a typical day the wind speed is around 20 mph and in that speed the windmill produces 400 kw / h ( kilowatts per hour ). on a stormy day a windmill produces 20 % more energy. how much kw / h can 3 windmills produce in two hours on a stormy day ?
Options: a. 2880., b. 4860., c. 5780, d. 5760, e. 6380.

A:
a
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