Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

If I put in one bird per cage, I have one bird too many. If I put in two bird per cage, I have one cage too many. How many cages and birds do I have?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

Using Only Five 5's and any mathematical operator make sum as 37

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

You have two bottles of pills marked with labels A and B. The pills are identical. The doctor has asked you to take one A pill and one B pill daily. You cant take more or less than that.

While taking out the pills one day, you took out one pill from A and by mistake took out two from B. You have no idea which pill is which now.

You cant throw away the expensive pills. What will you do now?

The following "Brain Bat" means Slow Down.
S
L
O
W

Using the same logic, can you tell us what does the following Brain Bat means ?
E
V
I
G

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

What is both possible and impossible at the same time?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?