How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

John speaks the truth only once a day in a week. Below are a few hints for you:

First: Days are Sunday, Monday and so on.
Second: One day he says, "I lie on Monday and Tuesday".
Third: On the next day, he says, "Today is either Thursday, Saturday or Sunday".
Fourth: On the next day, he says, "I lie on Wednesday and Friday".

Can you identify the day on which he speaks the truth?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?