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

How many words can a pen with half refill write?

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

I am dry when I go inside, but wet when I am pulled outside.
The longer I am inside, the stronger I get
When I am completely out, I am wet and I literally sag
Who am I?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

Count the number of triangles in the picture below:

Replace the question mark with the correct number in the below-given picture?

A number with an interesting property:

When I divide it by 2, the remainder is 1.
When I divide it by 3, the remainder is 2.
When I divide it by 4, the remainder is 3.
When I divide it by 5, the remainder is 4.
When I divide it by 6, the remainder is 5.
When I divide it by 7, the remainder is 6.
When I divide it by 8, the remainder is 7.
When I divide it by 9, the remainder is 8.
When I divide it by 10, the remainder is 9.

It's not a small number, but it's not really big, either.
When I looked for a smaller number with this property I couldn't find one.

Can you find it?

Which five letter word can be added at the end of below word to form a
valid word?

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