What is the coolest letter in the alphabet?

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

What does does this rebus picture means ?

What is more useful when it is broken?

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

What jumps when it walks and sits when it stands?

Can you name four days which start with the letter 'T'?

What has one letter and starts with an E?

A Man gave one of his sons 10 cents and another son was given 15 cents. What time is it?
Hint: Figure out the relation between time and number, is not so easy..:)

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.