Maths Statistics (7356) | |
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November 2021: | |
November 2020: | |
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Paper 2 | Mark Scheme |
June 2019: | |
Paper 1 | Mark Scheme |
Paper 2 | Mark Scheme |
June 2018: | |
Paper 1 | Mark Scheme |
Paper 2 | Mark Scheme |

Math
The Collatz Conjecture: Current Research and Approaches
The Collatz Conjecture (or 3n + 1 problem) asserts that iterating a simple process – halve n if n is even, or triple it and