Find the next number in the sequence

1, 2, 6, 21, 88, __?

The more of this there is, the less you see. What is it?

What jumps when it walks and sits when it stands?

What has to be broken before you can use it?

It is a nine-letter word.
The exact opposite of the phrase "friendly and outgoing"
It contains the word "over".
It starts will a vowel.

What is it?

Before reading ahead, you must know the fact that only one of the people here is telling the truth.

A says that B is lying.
B says that C is lying.
C says both A and B are lying.

Can you find out who is speaking the truth?

Why do people go to bed?

How many Watermelons are there in the below picture?

At a party, there are five people and a whole round cake lying at the centre of the table. Only four people will make a cut and take their piece and the last one will get the remaining piece on the table. How can they make sure that everyone gets a 1/5th of the piece?

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?