What is the word or phrase?

A boy was driving a car, a girl took a lift from her. She asked his name. The boy said - my name is hidden in my car’s number, find it if you can. After this, she got down Car number was [ WV733N ] Can you guess the name now?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

What English word has three consecutive double letters?

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

John Went to the nearby store in a Mall to buy something for her home. Below is the conversation between the two:

John: How much for the one?
Shopkeeper: It is $2
John: How much for the Eleven?
Shopkeeper: It is $4
John: How much for the Hundred?
Shopkeeper: It is $6.

What is John buying?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

Only one color, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

Can you find the ages of a son, father and grandfather based on the following facts?
The sum of the ages of grandfather, father and son is 140 years.
The age of the son in months is the same as the grandfather in years.
The age of the son in days is the same as the father in weeks.

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?