When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

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?

I taste better than I can smell. Who am I?

Can you start the fire using two pieces of wood?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?

I am the black child of a white father, a wingless bird, flying even to the clouds of heaven. I give birth to tears of mourning in pupils that meet me, even though there is no cause for grief, and at once on my birth, I am dissolved into air. What am I?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?