What is both possible and impossible at the same time?

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

Complete the table series riddle by finding the number that can replace "??".

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

Who can jump higher than a Mountain?

One day, John and his friends were playing around. Jacob hit something with a Pin and it popped. John's dad came into the room that very moment, but he wasn't mad. In fact, he was smiling. What did Jacob hit?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?

John has eleven friends. He has a bowl containing eleven apples. Now He wants to divide the eleven apples among his friends, in such a way that an apple should remain in his bowl.
How can He do it?