Show An Arithmetical Stunt i PLEASING ASING way to arlve ar lve at an A tt arithmetical sum without the use of pencil or paper is in to ask a person to think of at a fig ure are then to double It then to add to It whatever figure you ou suggest then halve the whole sum dud and finally to subtract from that the figure first thought or of It lt will vIli then be up to you to tell him lifts what the remainder Is The key to this lock of or figures is that half of ot whatever sum you ou request to be added is sure to be the remainder in the following example five Is half halt of oC ten which Is the number requested to be added Better request only some even num sum ber as odd numbers will Involve In volvo frac fractions fractions and possibly cause a sup oh on on your part Example Number thought of o L 7 Doubled 14 At your our request st added 10 Then halved 21 12 Original number thought of o now sub subtracted subtracted J 2 Remainder |