What begins with T, ends with T, and has T in it?

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

Why do we preferably have round manhole covers and not square ones?

Take number 1000 and then add 20 to it.
Now add 1000 one more time.
Now add 30.
Now add 1000 one more time.
Now add 40.
Now add 1000 one more time.
Now add 10.

What is the total?

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

Find the last number in the series below:

voN luJ yaM raM ---

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

Which letter of the alphabet has the most water?

What is the Surname of Barbie Doll?