Let a1, a2, a3n be an arithmetic progression with a1 = 3 and a2 =7. if a1 + a2 +

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Let a1, a2, a3n be an arithmetic progression with a1 = 3 and a2 =7. if a1 + a2 + … +a3n = 1830, then what is the smallest positive integer m such that m(a1 + a2 + …. + an) > 1830.

A. 8
B. 9
C. 10
D. 11

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