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

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?

Which Travels Faster? Solve below famous picture riddle:

Two-person want to cross a river. Only one boat is present on the riverside that can carry only one person at a time.

However, they still manage to cross the river. How is it possible?

What is greater than gold but cannot be bought. it can never be sold and can earn if its sought. though it can be broken, it can still be fixed. for by birth it can't start nor by death it is ended.what am i?

The barber of Town shaves all men living in the town. No man living in the town is allowed to shave himself. The barber lives in that town. Who then shaves the barber of the town?

Which flower has two lips?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

Why is Saturday stronger than Monday?

What is 3/7 chicken, 2/3 cat and 2/4 goat?