medium · GMAT Quant
For a positive integer n, consider the product n(n+1), which is always divisible by 2 since it is a product of two consecutive integers.
For how many integers n with 1 ≤ n ≤ 200 is n(n+1) divisible by 6?
- 100
- 134
- 67
- 133
- 66
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