81 x 9 = 801. What must you do to make the this equation true?

I know a nine-letter word having only one vowel.
Do you ?

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

A girl was standing near the window thinking something. All of a sudden she decides something and throws something out of the window. She dies very soon after throwing it. She was perfectly healthy and had no disease or allergy. No one killed her and she did not commit suicide.

Can you think of any possible explanation that is logical as well for what happened there?

I have an apple tree , number of apple in this tree get doubles every week.

On 30th week , the tree gets completely filled with apples :-)



Can you tell me , on what week does my tree is half covered with apples ?

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

Can you find out which number multiplied by itself will give the output as 12345678987654321?

Can you find the missing piece of the Porsche?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?