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Divisible Consecutive Sums

Problem

By adding four consecutive integers it is possible to make different totals. For example, 16 + 17 + 18 + 19 = 70, which is also divisible by 10.

How many of the numbers under 100 that are divisible by 10 can you make by adding four consecutive integers?

Problem ID: 33 (Feb 2001)     Difficulty: 1 Star

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