Get main
17%

18 hour(s) left

Einstein has baked a cake and cut it into 8 slices. If he hands out 3 slices to his guests, what fraction of the cake is left?

The Fact

From 1 to 1,000, the letter “A” only appears in 1,000 when written: “One thousand”.

Money can't buy happiness! The man who have many million bucks could be no more happy than the man who have just some! But is all these money lay in bank?