What is the Surname of Barbie Doll?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

When I asked a girl's name she told me her name is the date '07/09/2001'.

I thought for a few seconds and then I got her name. Do you?

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------

Why 1729 is a magic number? Answer Logically.

Two prisoners Jack and Jill are locked in a cell.
There is open window approx 40 feet above the ground of the cell.
They are never able to reach there.

Then they plan to escape by a tunnel and they start digging out.
After digging for more than 20 days, Jill comes with the different plan and they escaped.

what was the plan ?

On one occasion, A Boy collects 71 rupees in form of 20 paise and 25 paise. He collects a total of 324 coins.

Can you tell me how many 20-paisa and 25-paisa he got?

Three people are in a room. Ronni looks at the Nile. The Nile looks at Senthil. Ronni is married but Senthil is not married. At any point, is a married person looking at an unmarried person? Yes, No or Cannot be determined.

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

Can you find out the number of the parking space in which the car is parked?