# Logic Puzzles

## Brain Teaser: Guess the Diagonal

byJohannes Van Zijl

Try to solve this brain teaser in less than a minute.

| 1 min read

## WATCH: Can You Solve the Bridge Riddle?

byJohannes Van Zijl

| 1 min read

## Win a Million Dollars if You Can Solve The Riemann Hypothesis

byJohannes Van Zijl

| 1 min read

## Can You Solve This Flower Math Problem?

byJohannes Van Zijl

This flower math problem was apparently given to 5 year olds in a Chinese kindergarten. Are you able to work it out?

| 1 min read

## Can You Solve This 1869 MIT Admissions Question?

byJohannes Van Zijl

This question appeared on a MIT Admissions exam almost 150 years ago!

| 1 min read

## Can You Solve This Intelligence Test?

byJohannes Van Zijl

This intelligence has challenged many on social media, can you solve it? "Share if you understood it."

| 1 min read

## Can You Solve The Order of Operations Problem?

byJohannes Van Zijl

This problem went viral on social media! Can you solve it? Find out in the video below!

| 1 min read

## Dividing 1 by 998,001 Gives a Very Strange Result

byJohannes Van Zijl

The result is really strange!

| 1 min read

## Can You Solve this 6th Grade Geometry Problem From China?

byJohannes Van Zijl

What is the total area of the red spots?

| 1 min read

## Can You Solve the Two Points in a Square Puzzle?

byJohannes Van Zijl

This one is really hard — you need to know calculus and probability theory!

| 1 min read

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