World hardest math questions

There are few people can solve this IQ level Questions. This math questions are extremely hard and time consuming questions

The challenge: use each digit 1-9 only once to fill in the snake and make the equation equal 66 (colons are division signs).

According to this puzzle is meant for third graders. There’s no trick or complicated math necessary — finding the correct configuration of numbers comes down to trial and error and process of elimination.

A comment thread on a Guardian article has over 1,000 comments from people trying to figure out how to solve this question.

Even you can solve it must comments and reply .