## Jealous husbands problem

Posted on: November 30th, 2013 by
2

3 men and their wives (6 people in total) want to cross a river in a boat that can hold at most 2 people. No woman can be in the same side as another man unless her husband is present. Show how all 6 people can cross the river. - via Wikipedia

## Another river crossing puzzle

Posted on: November 29th, 2013 by
3 men and 3 monsters want to cross the river. They have a boat that can carry at most 2 people at a time. If there are more monsters than men on either side of the river, all men on the outnumbered side will be eaten. Show how you can transport all 6 people across the river without having any man be eaten by the Continue reading the story "Another river crossing puzzle"

## A River crossing puzzle

Posted on: November 28th, 2013 by
1

There are 2 small bots and 2 big bots. They have a boat to take them across the river. The boat can carry either 2 small bots or 1 big bot. At least 1 bot must ride the boat. Show how all 4 bots can cross the river. Try playing the game at Transum

## Distance, time and speed

Posted on: November 27th, 2013 by
1

A, B and C run a 100 meters race. A beats B by 20 meters, and B beats C by 20 meters. By how much does A beat C? Assume A,B and C all run at constant speeds v_A, v_B, v_C respectively. - via Gpuzzles

## Count F

Posted on: November 26th, 2013 by
3

How many occurrences of the letter 'F' can you find in the sentence below: "FINISHED FILES ARE THE RESULT OF YEARS OF SCIENTIFIC STUDY COMBINED WITH THE EXPERIENCE OF YEARS" - via GPuzzles

Posted on: November 25th, 2013 by
1

You have a road network where all intersections are 3-way intersections. You are trying to find a restaurant that's located at a particular intersection. However, all intersections are identical (except the one with the restaurant). Also, you are not allowed to mark anything on the roads. How will you find your way to the restaurant? - via Math Exchange

## Points in a rectangle

Posted on: November 24th, 2013 by
2

If you choose 6 points inside a rectangle of dimensions 3cm x 4cm, show that the distance between some two of these 6 points is less than $\sqrt{5}$. - via Math puzzles

## Lucky number

Posted on: November 23rd, 2013 by