What kind of storm is always in a rush?

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

I am an odd number. Take away a letter and I become even. What number am I?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

Alpha is Beta's sister.

Gamma is a Beta mother.

Delta is Gamma's father.

Tango is Delta's mother.

Then,

How is Alpha related to Delta?

I have thought of a number that is made up by using all the ten digits just once. Here are a few clues for you to guess my number:

First digits is divisible by 1.
First two digits are divisible by 2.
First three digits are divisible by 3.
First four digits are divisible by 4.
First five digits are divisible by 5.
First six digits are divisible by 6.
First seven digits are divisible by 7.
First eight digits are divisible by 8.
First nine digits are divisible by 9.
The number is divisible by 10.

Can you find out the number ?

Can you find a five letter word that is left with only two letters if one is removed?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

Which of the following words don't belong in the group and why?
CORSET, COSTER, SECTOR, ESCORT, COURTS