Can you solve below mathematical equation?

2^1234 - 2^1233

One night, a woman receives a call from the police. They tell her that her husband was murdered and that she should come to the crime scene as soon as possible. The woman drops the phone, shocked, and drives 20 minutes to the crime scene. As soon as she reaches the crime scene, the police arrest her and she is convicted of murder. How do the police know she committed the crime?

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

They are three errirs in this question. Can you find them?

What's a single-digit number with no value?

What can go up a chimney down, but can’t go down a chimney up?

One of the leprechaun is missing if you see the two pictures attached to this question. Where did he go? When he comes back, do you know where has he been?

When monkey rotate the gear, which mark will be hit 1 or 2 ?

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?