Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

There are two dice with empty faces in front of you and a marker. You can mark any number on each of the faces of the two dice, but you have to display all 31 days of the month using the two of them.

Which numbers will you mark on which dice so that you can easily depict all the dates of the month?

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

How can you throw a ball as hard as you can and have it come back to you even if it doesn't hit anything there is nothing attached to it and no one else catches or throws it.

What does this rebus mean?

O
N
C
E
TIME

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

You walk into a room and see a bed. On the bed, there are two dogs, five cats, a giraffe, six cows, and a goose. There are also three doves flying above the bed. How many legs are on the floor?