What does this Rebus Picture mean?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

What is full of holes but still holds water?

I am sometimes honest
Sometimes dishonest
I can be sweet and also bitter
I can hurt you real bad and
also make u smile and blush ☺️
What am I?

While sitting in the Car, John suddenly finds that one of the wheels was missing. John noticed that a killer is approaching towards him. John cannot get out of the car.

How will John escape?

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

In the city of Brain Teasers, 5% of people do not list their phone numbers. Now if we select random 100 people from the phone directory, then how many people selected will have unlisted phone numbers?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

By what process could you make a 'Tea-Table' into food?

500 women soldiers are arranged in an array of ten rows and fifty columns in accordance with their respective heights. Now, the tallest woman from each row is asked to move out in the front. From them, the shortest one is labelled as Alpha. They are then asked to resume their original position.

Now, the shortest woman in each column is asked to come out in front. The tallest among them is labelled as Beta.

Can you find out if Alpha will be taller or Beta?