What number comes next in the series?

5 15 5 18 5 24 14 20 _

I add 5 to 9 and get 2. The answer is correct, so what am I?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

Christina is practising her dance steps along with her friends. In a particular sequence, all of them form a row. At that point, Niharika is standing in the 4th position from either end of the row.
Can you find out how many girls are practising together?

Alpha is Beta's sister.

Gamma is a Beta mother.

Delta is Gamma's father.

Tango is Delta's mother.

Then,

How is Alpha related to Delta?

Count the number of triangles in the picture below:

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

A newspaper is supposed to have 60 pages.Pages 14 and 21 are missing from the newspaper.

Can you tell me , Which other pages won't be there as well ?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?