What word begins and ends with an E, but has only one letter?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

Which flower has two lips?

There are seven sisters in a house in a village where there is no electricity or any gadget.

Sister-1: Reading Novel
Sister-2: Cooking
Sister-3: Playing Chess
Sister-4: Playing Sudoku
Sister-5: Washing clothes
Sister-6: Gardening

what is Sister-7 doing ?

Here is a conversation between a couple who both are software professionals.

Husband: Hey! What is your date of birth?
Wife Replied Angrily: It is 591062400
Husband after doing some calculations replied, "Got It".

What is the DOB of the wife?

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

A man was driving a black truck. His lights were not on. The moon was not out. A lady was crossing the street. How did the man see her?

When is the top of a mountain similar to a savings account?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?