On a standard calulator keypad, if you take any block of 4 keys and key then in, either clockwise or anticlockwise, starting with any key, the answer is always divisible by 11. E.g. 4785 or 2563. This...
25a Wake Robin with a drink (4) ???M 29a Way to raise tone in a bar (7) S?????N 22d Suitable answer to offer not completed (7) A?????S 27d Villain giving one a turn (4) ???O
All the answers are Fruit and Vegetables 1.Scottish Lassie - about a hundred! (6) 2.The ex-Chancellor takes on a spring harvest (4,4) 3.Joined in two ways (5) 4.Dismissed! (9) 5.Forty years since this...
Sorry, the recent question should have been that the series 1/(1squared) plus 1/(2squared) plus 1/(3squared) plus etc upto 1/(infinitysquared) equals (Pi)squared/6. Does anyone know anytheoretical...
The sum of the series 1 plus 1/1squared plus 1/(2squared) plus 1/(3squared) etc to infinity equals (Pi)squared divided by 6. Does anyone know the theoetical reason why this should be so?