Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

How many letters are in the alphabet?

Can you find out the remainder when 3^300 is divided by 5?

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

A man is found dead in his bathroom naked with blood scattered all around him. The bathroom was locked from the inside and there is no trace of any struggle. There is nothing in the bathroom except his pant with the belt still around and his shirt. Also, the medic team can't find any incision in his body that may have been the reason behind so much blood loss.

The Police department is clueless regarding this murder mystery.
Can you?

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?

Solve the rebus riddle in the picture below.

What demands an answer, but asks no questions

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?