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?

What 5-letter word typed in all capital letters can be read the same upside down?

If eleven plus two equals one, what does nine plus five equal?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

What 8 letter word can have a letter taken away and it still makes a word. Take another letter away and it still makes a word. Keep on doing that until you have one letter left. What is the word?

Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?

In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

f you were running a race, and you passed the person in 2nd place, what place would you be in now?

If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?