Today's PUZZLE CLASSIC OF THE DAY

Turn two ADJACENT cards at 180 degrees so that the number of right-side-up hearts on all 8 cards is the same as the number of upside-down hearts. Which two cards should be turned?

Place numbers 1-12 into two circles so that the total in the outer circle is twice bigger than the total in the inner circle. NOTE: digits in the small circle must be consecutive.

A great craftsman created a beautiful chessboard for a king, who was so impressed he asked the craftsman to name his price. The craftsman said he wanted to be paid “only a few grains of rice,” in this manner: one grain of rice for the 1st square on the chessboard, two for the 2nd square, four for the 3rd, eight for the 4th, and so on, doubling the amount for each square up to the 64th square. This did not sound like too much, so the king agreed. At what cell the amount of grains is above 1 million?

Place digits 1-7 in the nodes of this Hourglass-like shape so that the sums along indicated lines are all equal 12.

Johnny got $10 from mom for the Farmers' Market to buy 100 apples - green, red, and yellow. A red apple costs 50 cents, a yellow one - 30 cents, while a green small one - 1 cent. In what ratio Johny has to spend $10 to bring home 100 apples?

A big wooden cube is painted in blue color. Then it is cut into 27 small cubes. Out of these cubes how many are not painted in blue at all; and how many have 1, 2 or 3 faces painted in blue?

A bouquet of flowers and its design cost $11. The bouquet costs $1 more than the design. How much does the bouquet cost and how much does the design cost?

After the field trip to a science museum, two schoolgirls were riding the light rail train back from the downtown to their suburb station. “I notice,“ one of the girls said, “the incoming trains, coming in the opposite direction, pass us every 5 minutes. What do you think - how many trains arrive in downtown from our suburb in an hour, given equal speeds in both directions?“ “12, of course!“ the other girl replied, “because 60 divided by 5 equals 12.“ The first girl did not agree. What do you think, is it 12 trains an hour or a different number?

Can you discover a perfect five-pointed star in this pattern? Highlight all respective patches to reveal the star.

Divide this shape of a stylized Sphynx into 4 smaller congruent parts, all of which are similar to this big one. Congruent parts can be mirrored.

Digits in the left column add up to a different total than the digits in the right column. Swap just 2 cards to make the two columns adding up to the same total.

A regular hexagon circumscribes a circle, which circumscribes another regular hexagon. The inner hexagon has an area of 3 square units. What is the area of the outer hexagon?