Can you solve below mathematical equation?

2^1234 - 2^1233

Why is a river so rich ?

Move three sticks of the spiral below to form a square.

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

A person was found dead on a big green land with no trees or buildings around. When the police arrived, they found a piece of rock lying next to him and the man was wearing clothes comprising of red, blue and yellow colours.

Can you tell who the person is and what was the cause of death?

Identify the hidden meaning behind this picture?

During an interview, the interviewer ordered hot coffee for the candidate to relieve the stress. The coffee was kept before him. After a minute, the interviewer asked him, 'What is before you?' He replied 'Tea'.

The candidate was selected immediately. Why?

what's the probability of getting a king or a queen from a pack of 52 cards?

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

What question can you never answer yes to?