Today's PUZZLE CLASSIC OF THE DAY

Cut this figure into 2 congruent parts (identical in area and shape).

There are 200 houses on a street, distributed evenly between its two sides - a hundred on each side, odd-numbered stating from 1, and even-numbered starting from 2. Which sum is bigger - of all odd or of all even numbers? What is the sums’ difference?

Cut this figure into 2 congruent parts (identical in area and shape, though they can be mirrored).

How many triangles are in this figure? Select a triangle and click the "Count" button.

How many triangles are in this figure? Select a triangle and click the "Count" button.

Cut this figure into 2 congruent parts (identical in area and shape, though they can be mirrored).

If two days ago was the day preceding Tuesday, what day will be the day after tomorrow?

A married woman states: "My husband's age is a two-digit number, which, when digits are swapped, gives my age. He is older than me and our age difference is 1/11th of our ages' sum." How old are the spouses?

Using some arithmetic operations, convert four 5's into 16.

Cut this figure into 2 congruent parts (identical in area and shape, though they can be mirrored).

Cut this figure into 2 congruent parts (identical in area and shape).

How many triangles are in this figure? Select a triangle and click the "Count" button.