Brain Teaser

Question A complete graph is a set of vertices with exactly one line segment connecting every pair of vertices.   To trace th

Solve

Question Paco, Qi, Raj, Saba, and Tab read at least one book each month. Last month, they read as follows:   Qi read twice as

Solve

Question You can change some of the addition signs to subtraction, multiplication, and division. Which result is impossible to obt

Solve

Question To make the result equal zero, you need to change some of the addition signs to subtraction, multiplication, or division.

Solve

Question Jade is using a pulley to lift a baby elephant to her room on the second floor (left image). If she improves her pulley a

Solve

Question You can arrange the following instructions so that in the end the variables sum up to zero.   (Initially: X contains

Solve

Question Sisters Molly and Nia are arguing whose turn it is to do the dishes. Molly suggests shuffling a deck of 20 cards numbered

Solve

Question The mobile shown is balanced and all ornaments have positive weights. Which ornament is the heaviest?   A B C D

Solve

Question Which method of connecting three identical bulbs will provide us with more light?   A B They’ll produce the sa

Solve

Question Number Bunchers puzzles provide two or more boxes into which the numbers provided need to be sorted.   Herbie: “Th

Solve

Question A queen bee wants to decorate her honeycomb so that adjacent (sharing the same border) hexagonal cells are different colo

Solve

Question The fractal shown is made of a stack of shrinking concentric circles, starting from a yellow circle.   As the circle

Solve
1 2 3 4 13 14

Become a Member

Join the MIT Club of Nothern California today!

Member is open to all MIT graduates.

Join Now!