Replace the (?) with the correct mathematical signs to make the expression equal to 59.

18 ? 12 ? 4 ? 5 = 59

A boy and a girl are sitting on the porch.
"I'm a boy," says the child with black hair.
"I'm a girl," says the child with red hair.
If at least one of them is lying, who is which?

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

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

Why is the Hole below a Lock?

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

10+10 and 11+11 can give you the same answer.

Explain how?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

There was a man he lives in a hotel each morning he presses the first floor button each evening if there is a person in the elevator he asks him to press the 10 floor button if there is no one in the elevator he takes the stairs why.

Can you find a seven digit number which describes itself. The first digit is the number of zeros in the number. The second digit is the number of ones in the number, etc. For example, in the number 21200, there are 2 zeros, 1 one, 2 twos, 0 threes and 0 fours.