Four jewellers possessing respectively eight rubies, ten
saphires, a hundred pearls and five diamonds, presented, each
from his own stock, one apiece to the rest in token of regard;
and they. . . . A, B & C own a half, a third and a sixth of a
coin collection. Each grab some coins, return some, then share
equally what they had put back, finishing with their own share.
How rich are they? Pick a square within a multiplication square
and add the numbers on each diagonal. What do you notice? A
paradox is a statement that seems to be both untrue and true at
the same time. This article looks at a few examples and
challenges you to investigate them for yourself. We have exactly
100 coins. There are five different values of coins. We have
decided to buy a piece of computer software for 39.75. We have
the correct money, not a penny more, not a penny less! Can. . .
. Write down a three-digit number Change the order of the digits
to get a different number Find the difference between the two
three digit numbers Follow th