Three Curious Problems

1. Farmer Smith is carrying one bag of potatoes. Farmer Jones is carrying five bags. All bags are the same size, but Smith's bag is fifty times heavier than the bags which Jones is carrying. Why?

2. Once Jill asked her grandfather, “When were you born?” The grandfather answered, “If you write the year when I was born on a piece of paper, then turn the page upside-down, the year will remain the same”.

to turn upside-down перевернуть

3. If a wheel has 18 spaces between the spokes, how many spokes has it?

wheel колесо

spoke спица

space расстояние