Can you circle exactly four of these numbers such that the total is twelve?

1 6 1
6 1 6
1 6 1
6 1 6

You need to move three matchsticks to form three squares. Can you do it?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

Can you count the number of triangles in the given picture?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

What month of the year has 28 days?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

Can you find the ages of a son, father and grandfather based on the following facts?
The sum of the ages of grandfather, father and son is 140 years.
The age of the son in months is the same as the grandfather in years.
The age of the son in days is the same as the father in weeks.

A girl was sitting in her hotel room when she heard a knock on the door. She opened the door and found that a man was standing outside.
The man said, "Oh! I am really sorry, I thought this was my room."
He then walked through the corridor to the elevator. The girl did not know the man. She closed her door and called security asking them to apprehend the man.
What made her suspicious of that man? He might have been genuinely mistaken.

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?