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

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

In a certain bank, a man deposits a certain amount. According to the bank policies, the amount will be doubled up in a year but as the service charge, they will also deduct Rs. 65 by the end of every year.

If after the 6th year, the amount becomes 0, what do you think is the original amount he deposited in the bank?

By adding four matchsticks, can you divide the square shown in the picture into two equal parts?

A Detective reviewed the information they had on the case so far.

A lady named 'Caterina' was found shot and they already had a list of suspects - Ankit, Tarun, Harish, Manoj and Manish.
The killer is a fan of challenges him by leaving notes ad various places.
* The first was found in a toilet room.
* The second was found in an art room.
* The third was in a restroom.
* the fourth in an underwater room.
* The fifth at the no-smoking room.

All of the notes read the same thing, 'The clues are where you find the notes.' Yet, nothing was found at any place the notes were.
Detective the genius, immediately solved the case.
Who was the killer?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

Why 1729 is a magic number? Answer Logically.

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

Can you make four (4) nines (9) equal 100?