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

I always drive my customer away.

Who am I?

I can write cow in 13 letters.

Can You?

In the image below, can you find the value of an angle(y)

The below given figure comprises of a pattern through which you can determine the missing letter. Can you push your mind to find the pattern and add the missing letter?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

While preparing the table for dinner, wife came up with an idea to tease his mathematician husband. She asked her husband to pick nine toothpicks and make ten without breaking any toothpick.

The husband was also smart and did it within seconds. How ?

Before Mount Everest was discovered, what was the highest mountain in the world?

I am a ten letters word
The first four letters have the power to rule,
Next, four-letter can be eaten.
The next three-letter represents a lady.
I can fly as well

what am I looking for?

While house hunting in London, I came across a very good leasehold property Discussing the lease the landlady told me:

'The property was originally on a 99 years lease and two-thirds of the time passed is equal to four-fifths of the time to come. Now work it out for yourself and see how many years are to go!