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 can go through glass without breaking it?

When does a USA Potato change its nationality?

Can you count the number of squares in the figure below?

Using mathematical symbols like +, -, and x in order to make the equations correct. Replace # with the above-given symbols.

9 # 8 # 7 # 6 # 5 # 4 = 91

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

What can you see in the middle of March and April that you can never see in any other month?

Below, you can see three complete equations and one incomplete. Based on the three complete ones, can you complete the incomplete one?

5 $ 4 $ 3 $ 9 = 4215
6 $ 9 $ 2 $ 6 = 3816
4 $ 7 $ 3 $ 3 = 1122
7 $ 2 $ 7 $ 4 = ____

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?