On 01/08/2025 18:48, Ralph Corderoy wrote:
‘What number is the odd one out, and why: 2 4 6 8 13 19.’
This is probably too simple, but I would have answered '13' because the
series increases in 2s, apart from after 8, when after increasing by 5,
it continues with an increase of 6.
BTW. Maths has never been my strong point :-)
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Terry Coles
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