A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.

What is the sum of the three digits?

He does not have any heart but still, He manages to live.
If you kill him, you will eventually die but yet you kill him.
He cannot run, who is He?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

What came first, the chicken or the egg?

In the picture given below, can you find out which digit will take place of the question mark?

Count the number of lines in the image below ?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

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

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?