Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

The first box has two white balls. The second box has two black balls. The third box has a white and a black ball.

Boxes are labeled but all labels are wrong!

You are allowed to open one box, pick one ball at random, see its colour and put it back into the box, without seeing the colour of the other ball.

How many such operations are necessary to correctly label the boxes?

It is a 5 letter word if you take away first letter it is something you get from sun, if you remove second letter you will get something to eat, if you remove third letter you get a word you use in pointing at and if you remove the fourth letter you get something to drink. What is it?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

Can you name an animal whose killing cannot be performed without spilling your own blood?

Which is the correct shadow of the bird?

A bomb exploded in a room full of married couples and no one died. How?

Can you solve the equation by finding the value of
A) Horse
B) Cowboy boot
C) Horseshoe

In the Picture?

When is the top of a mountain similar to a savings account?

People put me on the table and cut me but do not eat me. What am I?