Bay of Bengal is in which state?

There is a shop where written:
Buy 1 for $1
10 for $2
100 for $3
I needed 999 and still only paid $3. How could this be financially viable for the shop-keeper?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

There is a place where if I stand up straight, I will still be considered sideways.

Below is the sum of symbols in each row and column in the figure. Analyzing the figure, can you find out the value of the symbols?

I am a five-letter word under you,
Remove the first letter and I am above you,
Remove the second as well and I am around you.

Who am I?

Solve the puzzle by telling what does below picture means.

You need to arrange three 7 and mathematical symbols to form number 1?

What goes up but never comes down?