What is the next number in this series?

4,12,84,3612....

No matter how little or how much you use me, you change me every month. What am I?

I can be made.
I can be cracked.
I can be told.
I can be played.

Who am I?

Can you find a five letter word that is left with only two letters if one is removed?

How many letters are in the alphabet?

In the figure that has been attached to this question, each digit represents a digit. The similar letters carry the same integer value. Can you expose the original digits?

You have three orange, two pink and five purple balls in the drawer beside your bed. There is no electricity and the room is entirely dark. How many balls must you take out to ensure at least one ball of each colour at least?

1 rabbit saw 9 elephants while going to the river. Every elephant saw 3 monkeys going toward the river. Each monkey had 1 parrot in each hand. How many animals are going towards the river?

Akbar called Birbal and asked him to draw a line on the floor. He asked Birbal to make that line smaller without erasing it. Birbal smiled and did it before Akbar could blink his eyes.

How did he managed to do it?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.