It belongs to you, but other people use it more than you do. What is it?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

On a bus, there is a 26-year-old pregnant lady.
A 30-year-old policeman.
A 52-year-old random woman.
And the 65-year-old driver.

Who is the youngest?

In a boat, the father of a sailor's son is sitting with the son of the sailor. However, the sailor is not present on the boat.

Can this even be possible?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

If a shopkeeper can only place the weights on one side of the common balance. For example, if he has weights 1 and 3 then he can measure 1, 3 and 4 only. Now the question is how many minimum weights and names of the weights you will need to measure all weights from 1 to 1000? This is a fairly simple problem and very easy to prove also.

When can we add 2 to 11 and get 1 as the correct answer?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

What is the word or phrase?

I am the largest in my family of fifty.
The youngest of our family lives separately from the rest of the family and so do I.
I am regarded as harsh and tough.
I am so large, you cut me in two equal halves,
each half would still be larger than the second largest member of the family.
Who am I?