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

There is a family that live in a round house. The two parents go out for a movie and leave a babysitter to watch their son. They come back and the kid was not there. Some one kidnapped him. The maid said she was cleaning in a corner. The cook said he was making pizza. The babysitter said she was getting a board game. Who kidnapped him.

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

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?

If two's company, and three's a crowd, then whats four and five ?

What work can one never finish?

Find the next number in the sequence

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

What came first, the chicken or the egg?

To attend world science seminar, A famous chemist from Mexico visit
London. In the lab, the scientist was killed and his six assistants were under suspicion of killing the chemist.
Name of six assistants: Austin, Wayne, Dege, Oscaru, Lingard, and Rojo.
He left a note "76-20-44 79-16-22-7"

A local detective Jack was called to solve the case,

After reading the note, Jack instantly asked the police to arrest the murderers.

Who are the murderers?