What has 13 hearts but no other organs?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

Suppose you are sitting in an interview and the interviewee asks you an aptitude question.

You have three buckets with a capacity of 4 litres, 8 litres and 10 litres and you have a large tank of water. Now you have to measure 3 litres of water precisely using those buckets. How will you do it?

1. How can we put an elephant in the refrigerator?
2. How can we put a Giraffe in a refrigerator?
3. The king of the jungle invites all the animals to a party everyone comes except for one animal, which animal?
4. You come to a crocodile-infested lake, you can't go around it, you can't co under it and you can't go over it, how do you get across?

How can you make number one disappear by adding something to it?

John was piloting a plane behind a car but was never able to overtake it. Why?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

What is the word or phrase?