If a shopkeeper can only place the weights on one side of the common balance. For example, if he has weights 1 and 3 then he can measure 1, 3 and 4 only. Now the question is how many minimum weights and names of the weights you will need to measure all weights from 1 to 1000? This is a fairly simple problem and very easy to prove also.

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

What 5-letter word typed in all capital letters can be read the same upside down?

I don't get anymore wetter, no matter how much rain falls on me.

Find the next number in the series below.

6 18 270 72090 ?

What begins with T, ends with T, and has T in it?

There was a competition where the contestants had to hold something. At the end of the event, the winner was a person who had no hands or feet. What was it that the contestants had to hold?

What do you call a fish without an eye?

I have an eye but still cannot see.

Who am I?

You walk into a room where there are three primates held in their respective cages:
1) A lion who is eating the flesh of a goat.
2) An orangutan who is playing with blocks.
3) A donkey who is sitting idle.

Who is the most intelligent primate in the room?