What English word has three consecutive double letters?

When does a USA Potato change its nationality?

What is the next number in this matchsticks series riddle?

We can be boring,Or interesting.
We can be long,Or short.
We can have pictures,Or just words.
Many love us,But many also hate us.
What are we?

Replace the 'X' with any mathematical symbol to make the expression equal to 111.

18 X 12 X 2 X 3 = 111

A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?

You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?

Replace the question mark with the number below given a simple math problem.

Rectify the following equality 101 - 102 = 1 by moving just one digit.

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10