I have feet, but no legs. Which animal Am I?

If,
9 * 8 * 7 = 65
8 * 7 * 6 = 50
7 * 6 * 5 = 37

Find
6 * 5 * 4 = ?

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

What does below Rebus say?

XLR8

I know there are two methods by using three time the same number with a plus(+) operator , you can make sum as 60.

One of them is 20+20+20.

whats the other way ?

Something Extraordinary happened on May 6th 19778 at 12:34am what was that?

Wednesday, Steve and Pam go to a restaurant to eat lunch. After eating lunch, they pay the bill. But Steve and Pam do not pay the bill. So…who does?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

I shave every day, but my beard stays the same. What am I?

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?