Today's PUZZLE CLASSIC OF THE DAY

PREVIOUS 12 DAYS

Apples from the Market

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?

Blue Cube

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

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?

Meeting the Trains

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?

Spotting the Star

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

Congruent Parts: Sphynx

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.

Eight Cards

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.

Hexagon In-Out

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?

Congruent Parts: Trapezium

Divide this trapezium into 4 smaller congruent parts, all of which are similar to this big one.

Buffaloes & Hay

A hundred bundles of hay were prepared to feed 100 buffaloes. - A young standing buffalo eats 5 bundles. - A young buffalo lying down eats 3 bundles. - Three old buffaloes eat 1 bundle together. How many buffaloes of each kind are there?

A Fuse Board into 4 Panels - V2

A half-ready 4x7 fuse board has 4 square apertures in it. Cut it into 4 identical panels (in area and shape), each with one aperture in it.

Average Speed

A horse travels half his route, with no load, at 12 miles per hour. The rest of the way a load slows the horse to 4 miles per hour. What is the horse's average speed?