What has a ring but no finger?

These types of puzzles are known as charades. What you have to do is to find two words that are referred to in the first stanza and the second stanza and put them together to form the third word in the third stanza.

Just for example, if my first refers to 'off' and my second refers to 'ice', then my whole will be the 'office'.

My first is present - future's past -
A time in which your lot is cast.

My second is my first of space
Defining people's present place.

My whole describes a lack of site -
A place without length, breadth, or height.

In a secret society, a buried chamber can be accessed only via a secret password. The password is seven characters long and comprises of just letters and numbers.

You find a code that can help you in cracking the password. The code says "You force heaven to be empty".

Can you deduce the password from that?

Complete the table series riddle by finding the number that can replace "??".

How is the moon similar to a dollar?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

Can you place three balls such that the equation shown in the picture holds true?

It is a six-letter word.
The first four letters are me.
The second and last letters are the same.
The fourth second and last letter is payment.

Who is it?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?