Identify the hidden meaning behind this picture?

Two boys wish to cross a river. The only way to get to the other side is by boat, but that boat can only take one boy at a time. The boat cannot return on its own, there are no ropes or similar tricks, yet both boys manage to cross using the boat.

How?

When it is alive we sing, when it is dead we clap our hands. What is it?

Solve the below puzzle by replacing the question mark with the correct number.

3 6 12

4 8 16

5 10 ?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

Why do you find that most of the buildings are deprived of the 13th floor?

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

What is harder to catch the faster you run?

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many eggs are left unbroken?