A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

On a special event at the prison, 5 prisoners John, Jacob, Krist, Tang, and Dang given a chance to go to a sauna and can bring one thing with them.

Following are the things that the prisoners bring with them.
John: A soda
Jacob: Thermos
Krist: Book named "How to kill"
Tang: A Walkman
Dang: Harmonica

Since it is a Sauna, no one can see each other. After a while When the steam is switched, Tang was found dead and there was blood all around.
J Bond was called and he instantly come to know who can be the murderer. How?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

On one occasion, A Boy collects 71 rupees in form of 20 paise and 25 paise. He collects a total of 324 coins.

Can you tell me how many 20-paisa and 25-paisa he got?

In the given picture, in how many ways can you read the word "Tiger"?

It belongs to you, but other people use it more than you do. What is it?

A boy and his father are caught in a traffic accident, and the father dies. Immediately the boy is rushed to a hospital, suffering from injuries. But the attending surgeon at the hospital, upon seeing the boy, says 'I cannot operate. This boy is my son.' How is this situation explained?

I am an odd number. Take away a letter and I become even. What number am I?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

Why is it very easy to weigh a fish?