Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

Find the hidden panda in the image below.

Can you solve below mathematical equation?

2^1234 - 2^1233

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

How can one talk without saying a single word?

Below rebus represent famous DiCaprio movie. Can you name it?

I look at you, you look at me I raise my right, you raise your left. What am I?

You can hear me, but you can't touch or see me.

What am I?

You stand in front of two doors. A guard stands next to each door. You know the following things: one path leads to paradise, the other leads to death. You cannot distinguish between the two doors. You also know that one of the two guards always tells the truth and the other always lies. You have permission to ask one guard one question to discover which door leads to paradise. What one question would you ask to guarantee you enter the door to paradise?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?