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

You enter your friend's room. He is not in his room. Although you see that on the bed there are two dogs, five cats, two giraffes and three pigs. Also, a couple of chickens and ducks are flying in the room.

Calculate the number of legs standing on the floor.

What does this Rebus Picture means ?

Once upon a time, there was a castle on a square island. The entire island was surrounded by a 14m wide trench. The Romans had wanted to invade the castle and had brought a few wooden planks along with them to facilitate themselves in crossing the moat. The planks were however found to be only 13m long.

The Romans still managed to cross the trench. How did they do it?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

What is the next number in this series?

4,12,84,3612....

There was an aeroplane crash, every single person died, but two people survived. How is this possible?