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

What occurs twice in a week, once in a year but never in a day?

Find the next number in the series.
1 10 24 43 67 ?

The more you take me, the more you leave me behind.
Who Am I?

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

In a town, there are over 100 flats.
Flat-1 is named first flat.
Flat-2 is named second flat.
Flat-3 is named third flat.

A visitors 'Victor' decides to walk through all the flats, he finds all the flats except flat-62.
Victor later founds that the local of the town have given it another name.

What is the name of the Flat?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

He digs out tiny caves and stores gold and silver in them. He also built bridges of silver and made crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs his help, yet many people are afraid to let him help them. Who is he?

There are forty elephants and they have forty-fore heads. How can this be possible?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?