Question

Mrs Brown gets her class of 21 children to stand in a circle. She chooses the child in the first position to give one of 21 Valentine’s cards anti-clockwise to the person next to their neighbour. The children keep passing the cards in this pattern until they all have one. The child at which position is last to receive a card?

Answer 1

.gukfub god I am going to learn

Answer 2

They are distributed in the following order: one to twenty, twenty to eighteen, eighteen to sixteen, sixteen to fourteen, fourteen to twelve, twelve to ten,ten to eight, eight to six, six to four, four to two, two to twenty-one, twenty-one to nineteen, nineteen to seventeen, seventeen to fifteen, fifteen to thirteen, thirteen to eleven, eleven to nine, nine to seven, seven to five, five to three and three to one.