Can you solve below mathematical equation?

2^1234 - 2^1233

I can write cow in 13 letters.

Can You?

A lion and its tamer are standing inside a cage that measures 1 unit in radius. Both of them can effortlessly run at the speed of 1 unit maximum.

1) Suppose the lion is hungry, will he be able to eat up the tamer?
2) If yes, how long can the tamer survive?

Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

How many letters are in the alphabet?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

I make two people out of one. What am I?

Rearrange the letters in "new door" to make one word.

What part of Turkey has the most feathers?

I am the first thing you need while camping.
I am always with the person named Marcos Valencia and Carrick.
But Pogba Zlatan and Rooney think I am wasteful and do not need me.
I am the second to the last thing to add when you are making a patch.

What am I?