Can you solve below mathematical equation?

2^1234 - 2^1233

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

Forwards I am heavy, backward I am not. What am I?

Spot 5 differences in two Christmas tree below:

Manish and Manoj play 5 games of chess.
Both Manish and Manoj win the exact same number of games. There is no tie at all.

How?

Count the number of squares in the picture below.

I am a five-letter word and people eat me. If you remove the first letter I become an energy form. If you remove the first two letters, I am needed to live. Scramble the last three letters and I am a drink. What word am I?

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

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

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?