If $N = 255$ is the lowest of a set of $23$ consecutive multiples of $15,$ what is the range of this set?

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Vincen: Legendary Member; Posts: 2898; Joined: Thu Sep 07, 2017 2:49 pmFollowed by: 5 members; Thanked: 6 times

by Vincen » Sat Jan 23, 2021 6:27 am

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If $N = 255$ is the lowest of a set of $23$ consecutive multiples of $15,$ what is the range of this set?

(A) 315
(B) 330
(C) 345
(D) 360
(E) 375

Answer: B

Source: Magoosh

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Source: Beat The GMAT — Problem Solving | Sat Jan 23, 2021 6:27 am

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