what large number comed next 86,23,67,668,86,23,8428,47,843.
what number is missing from this list1,2,4,6,8,10,12.................18,25.
which letteer is m issing G,E,L,N,.....................J,J,R
OK I get it now . you need to be on University Challenge to answer a simple pub quiz. How did you ever het to go down that line of thinking. Many thanks to you all I would never have got that in a thousand years