John does 12 pushups on the first day of a 30-day month, and then increases the number of pushups by 2 pushups a day. How many pushups has he done by the end of the month?
A) 1218
B) 1230
C) 1290
D) 1260

Question

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The Answer of John does 12 pushups on the first day of a 30-day month, and then increases the number of pushups by 2 pushups a day. How many pushups has he done by the end of the month?
A) 1218
B) 1230
C) 1290
D) 1260

John Does 12 Pushups on the First Day of a 30-Day