Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

Spot 5 differences in two Christmas tree below:

On a bright sunny day, two fathers took their son fishing in the lake. Each man and son were able to catch one fish. When they returned to their camp, there were only three fishes in the basket. What happened?

PS: None of the fish were eaten, lost, or thrown back.

The more of this there is, the less you see. What is it?

Can you fill the blank with the correct number?

6 30 870 756030 _____

Find the next number in the sequence

5 12 24 36 ?

In The 1st month of this year(the year 2013), I noticed that the date 13-1-13 (13 January 2013) is special.

This date is special as:

Date * Month = Year.

Can you figure out which year of this century has a maximum number of such dates?

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

Speaking of rivers, a man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?

There is something which you can be arrested for attempting but not for successfully completing.