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?

In the image below, can you find the value of an angle(y)

John was gifted a new Hayabusa. He drove x miles at 55mph. Then he drove x+20 miles at 40mps. He drove his bike for 100 minutes. How much distance did he travel?

If 24H in a D => 24 hours in a day.
What does "64S on CB" stand for?

By using 'because' continuously three times, can you make an English statement ?

By moving just one matchstick, you need to make the below statement true. Can you do it?

I’m tall when I’m young, and I’m short when I’m old. What am I?

Who can jump higher than a Mountain?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

A Detective reviewed the information they had on the case so far.

A lady named 'Caterina' was found shot and they already had a list of suspects - Ankit, Tarun, Harish, Manoj and Manish.
The killer is a fan of challenges him by leaving notes ad various places.
* The first was found in a toilet room.
* The second was found in an art room.
* The third was in a restroom.
* the fourth in an underwater room.
* The fifth at the no-smoking room.

All of the notes read the same thing, 'The clues are where you find the notes.' Yet, nothing was found at any place the notes were.
Detective the genius, immediately solved the case.
Who was the killer?