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?

13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?

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

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

I am quite hot but become too cold if you remove the first two letters. What am I?

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 mules travels the same distance daily.
I noticed that two of his legs travels 10km and the remaining two travels 12km.
Obviously two mules legs cannot be a 2km ahead of the other 2.

The mules is perfectly normal. So how come this be true ?

John gave half of the apples he had plus one more to Jacob. He gave half of the remaining ones plus one more to James. Now, John was left with just one apple.

Can you find out how many did he have in the beginning?

How many words can a pen with half refill write?