Which is the smallest number that you can write using all the vowels exactly once?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

You have a basket containing ten apples. You have ten friends, who each desire an apple. You give each of your friends one apple.
Now all your friends have one apple each, yet there is an apple remaining in the basket.
How?

What has 13 hearts but no other organs?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

It's pretty hard to give up.
If you remove a part of it, you will be left with a bit.
Even if you remove another part, the bit still remains.
Remove one more and it still remains.

What is it?

It is a 5 letter word if you take away first letter it is something you get from sun, if you remove second letter you will get something to eat, if you remove third letter you get a word you use in pointing at and if you remove the fourth letter you get something to drink. What is it?

Can you find the dog hidden in a group of pandas?

What is always in front of you but can’t be seen?

What number divided by 4 is the same as that number minus 4?